import requests

url = "https://{FUSION HOST}/api/objects/validate"

payload = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"contentDisposition\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"fileName\": \"<string>\",\r\n  \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"readDate\": \"2023-11-07T05:31:56Z\",\r\n  \"size\": 123\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"entity\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"headers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mediaType\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"subtype\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"wildcardType\": true,\r\n  \"wildcardSubtype\": true\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"messageBodyWorkers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"bodyParts\": [\r\n    {\r\n      \"contentDisposition\": {\r\n        \"type\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"fileName\": \"<string>\",\r\n        \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"readDate\": \"2023-11-07T05:31:56Z\",\r\n        \"size\": 123\r\n      },\r\n      \"entity\": {},\r\n      \"headers\": {},\r\n      \"mediaType\": {\r\n        \"type\": \"<string>\",\r\n        \"subtype\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"wildcardType\": true,\r\n        \"wildcardSubtype\": true\r\n      },\r\n      \"messageBodyWorkers\": {},\r\n      \"parent\": \"<unknown>\",\r\n      \"providers\": {},\r\n      \"parameterizedHeaders\": {}\r\n    }\r\n  ],\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"providers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bodyParts\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"fields\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parameterizedHeaders\"\r\n\r\n{}\r\n-----011000010111000001101001--"
headers = {"Content-Type": "multipart/form-data; boundary=---011000010111000001101001"}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

HttpResponse<String> response = Unirest.post("https://{FUSION HOST}/api/objects/validate")
  .header("Content-Type", "multipart/form-data; boundary=---011000010111000001101001")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"contentDisposition\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"fileName\": \"<string>\",\r\n  \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"readDate\": \"2023-11-07T05:31:56Z\",\r\n  \"size\": 123\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"entity\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"headers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mediaType\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"subtype\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"wildcardType\": true,\r\n  \"wildcardSubtype\": true\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"messageBodyWorkers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"bodyParts\": [\r\n    {\r\n      \"contentDisposition\": {\r\n        \"type\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"fileName\": \"<string>\",\r\n        \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"readDate\": \"2023-11-07T05:31:56Z\",\r\n        \"size\": 123\r\n      },\r\n      \"entity\": {},\r\n      \"headers\": {},\r\n      \"mediaType\": {\r\n        \"type\": \"<string>\",\r\n        \"subtype\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"wildcardType\": true,\r\n        \"wildcardSubtype\": true\r\n      },\r\n      \"messageBodyWorkers\": {},\r\n      \"parent\": \"<unknown>\",\r\n      \"providers\": {},\r\n      \"parameterizedHeaders\": {}\r\n    }\r\n  ],\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"providers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bodyParts\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"fields\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parameterizedHeaders\"\r\n\r\n{}\r\n-----011000010111000001101001--")
  .asString();

const form = new FormData();
form.append('contentDisposition', '{
  "type": "<string>",
  "parameters": {},
  "fileName": "<string>",
  "creationDate": "2023-11-07T05:31:56Z",
  "modificationDate": "2023-11-07T05:31:56Z",
  "readDate": "2023-11-07T05:31:56Z",
  "size": 123
}');
form.append('entity', '{}');
form.append('headers', '{}');
form.append('mediaType', '{
  "type": "<string>",
  "subtype": "<string>",
  "parameters": {},
  "wildcardType": true,
  "wildcardSubtype": true
}');
form.append('messageBodyWorkers', '{}');
form.append('parent', '{
  "contentDisposition": {
    "type": "<string>",
    "parameters": {},
    "fileName": "<string>",
    "creationDate": "2023-11-07T05:31:56Z",
    "modificationDate": "2023-11-07T05:31:56Z",
    "readDate": "2023-11-07T05:31:56Z",
    "size": 123
  },
  "entity": {},
  "headers": {},
  "mediaType": {
    "type": "<string>",
    "subtype": "<string>",
    "parameters": {},
    "wildcardType": true,
    "wildcardSubtype": true
  },
  "messageBodyWorkers": {},
  "parent": "<unknown>",
  "providers": {},
  "bodyParts": [
    {
      "contentDisposition": {
        "type": "<string>",
        "parameters": {},
        "fileName": "<string>",
        "creationDate": "2023-11-07T05:31:56Z",
        "modificationDate": "2023-11-07T05:31:56Z",
        "readDate": "2023-11-07T05:31:56Z",
        "size": 123
      },
      "entity": {},
      "headers": {},
      "mediaType": {
        "type": "<string>",
        "subtype": "<string>",
        "parameters": {},
        "wildcardType": true,
        "wildcardSubtype": true
      },
      "messageBodyWorkers": {},
      "parent": "<unknown>",
      "providers": {},
      "parameterizedHeaders": {}
    }
  ],
  "parameterizedHeaders": {}
}');
form.append('providers', '{}');
form.append('bodyParts', '{
  "contentDisposition": {
    "type": "<string>",
    "parameters": {},
    "fileName": "<string>",
    "creationDate": "2023-11-07T05:31:56Z",
    "modificationDate": "2023-11-07T05:31:56Z",
    "readDate": "2023-11-07T05:31:56Z",
    "size": 123
  },
  "entity": {},
  "headers": {},
  "mediaType": {
    "type": "<string>",
    "subtype": "<string>",
    "parameters": {},
    "wildcardType": true,
    "wildcardSubtype": true
  },
  "messageBodyWorkers": {},
  "parent": "<unknown>",
  "providers": {},
  "parameterizedHeaders": {}
}');
form.append('fields', '{}');
form.append('parameterizedHeaders', '{}');

const options = {method: 'POST'};

options.body = form;

fetch('https://{FUSION HOST}/api/objects/validate', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

require 'uri'
require 'net/http'

url = URI("https://{FUSION HOST}/api/objects/validate")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"contentDisposition\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"fileName\": \"<string>\",\r\n  \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"readDate\": \"2023-11-07T05:31:56Z\",\r\n  \"size\": 123\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"entity\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"headers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mediaType\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"subtype\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"wildcardType\": true,\r\n  \"wildcardSubtype\": true\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"messageBodyWorkers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"bodyParts\": [\r\n    {\r\n      \"contentDisposition\": {\r\n        \"type\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"fileName\": \"<string>\",\r\n        \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"readDate\": \"2023-11-07T05:31:56Z\",\r\n        \"size\": 123\r\n      },\r\n      \"entity\": {},\r\n      \"headers\": {},\r\n      \"mediaType\": {\r\n        \"type\": \"<string>\",\r\n        \"subtype\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"wildcardType\": true,\r\n        \"wildcardSubtype\": true\r\n      },\r\n      \"messageBodyWorkers\": {},\r\n      \"parent\": \"<unknown>\",\r\n      \"providers\": {},\r\n      \"parameterizedHeaders\": {}\r\n    }\r\n  ],\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"providers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bodyParts\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"fields\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parameterizedHeaders\"\r\n\r\n{}\r\n-----011000010111000001101001--"

response = http.request(request)
puts response.read_body

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{FUSION HOST}/api/objects/validate"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"contentDisposition\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"fileName\": \"<string>\",\r\n  \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"readDate\": \"2023-11-07T05:31:56Z\",\r\n  \"size\": 123\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"entity\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"headers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mediaType\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"subtype\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"wildcardType\": true,\r\n  \"wildcardSubtype\": true\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"messageBodyWorkers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"bodyParts\": [\r\n    {\r\n      \"contentDisposition\": {\r\n        \"type\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"fileName\": \"<string>\",\r\n        \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"readDate\": \"2023-11-07T05:31:56Z\",\r\n        \"size\": 123\r\n      },\r\n      \"entity\": {},\r\n      \"headers\": {},\r\n      \"mediaType\": {\r\n        \"type\": \"<string>\",\r\n        \"subtype\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"wildcardType\": true,\r\n        \"wildcardSubtype\": true\r\n      },\r\n      \"messageBodyWorkers\": {},\r\n      \"parent\": \"<unknown>\",\r\n      \"providers\": {},\r\n      \"parameterizedHeaders\": {}\r\n    }\r\n  ],\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"providers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bodyParts\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"fields\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parameterizedHeaders\"\r\n\r\n{}\r\n-----011000010111000001101001--")

	req, _ := http.NewRequest("POST", url, payload)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{FUSION HOST}/api/objects/validate",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"contentDisposition\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"fileName\": \"<string>\",\r\n  \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n  \"readDate\": \"2023-11-07T05:31:56Z\",\r\n  \"size\": 123\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"entity\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"headers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"mediaType\"\r\n\r\n{\r\n  \"type\": \"<string>\",\r\n  \"subtype\": \"<string>\",\r\n  \"parameters\": {},\r\n  \"wildcardType\": true,\r\n  \"wildcardSubtype\": true\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"messageBodyWorkers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parent\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"bodyParts\": [\r\n    {\r\n      \"contentDisposition\": {\r\n        \"type\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"fileName\": \"<string>\",\r\n        \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n        \"readDate\": \"2023-11-07T05:31:56Z\",\r\n        \"size\": 123\r\n      },\r\n      \"entity\": {},\r\n      \"headers\": {},\r\n      \"mediaType\": {\r\n        \"type\": \"<string>\",\r\n        \"subtype\": \"<string>\",\r\n        \"parameters\": {},\r\n        \"wildcardType\": true,\r\n        \"wildcardSubtype\": true\r\n      },\r\n      \"messageBodyWorkers\": {},\r\n      \"parent\": \"<unknown>\",\r\n      \"providers\": {},\r\n      \"parameterizedHeaders\": {}\r\n    }\r\n  ],\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"providers\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bodyParts\"\r\n\r\n{\r\n  \"contentDisposition\": {\r\n    \"type\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"fileName\": \"<string>\",\r\n    \"creationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"modificationDate\": \"2023-11-07T05:31:56Z\",\r\n    \"readDate\": \"2023-11-07T05:31:56Z\",\r\n    \"size\": 123\r\n  },\r\n  \"entity\": {},\r\n  \"headers\": {},\r\n  \"mediaType\": {\r\n    \"type\": \"<string>\",\r\n    \"subtype\": \"<string>\",\r\n    \"parameters\": {},\r\n    \"wildcardType\": true,\r\n    \"wildcardSubtype\": true\r\n  },\r\n  \"messageBodyWorkers\": {},\r\n  \"parent\": \"<unknown>\",\r\n  \"providers\": {},\r\n  \"parameterizedHeaders\": {}\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"fields\"\r\n\r\n{}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"parameterizedHeaders\"\r\n\r\n{}\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Content-Type: multipart/form-data; boundary=---011000010111000001101001"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

curl --request POST \
  --url https://{FUSION HOST}/api/objects/validate \
  --header 'Content-Type: multipart/form-data' \
  --form 'contentDisposition={
  "type": "<string>",
  "parameters": {},
  "fileName": "<string>",
  "creationDate": "2023-11-07T05:31:56Z",
  "modificationDate": "2023-11-07T05:31:56Z",
  "readDate": "2023-11-07T05:31:56Z",
  "size": 123
}' \
  --form 'entity={}' \
  --form 'headers={}' \
  --form 'mediaType={
  "type": "<string>",
  "subtype": "<string>",
  "parameters": {},
  "wildcardType": true,
  "wildcardSubtype": true
}' \
  --form 'messageBodyWorkers={}' \
  --form 'parent={
  "contentDisposition": {
    "type": "<string>",
    "parameters": {},
    "fileName": "<string>",
    "creationDate": "2023-11-07T05:31:56Z",
    "modificationDate": "2023-11-07T05:31:56Z",
    "readDate": "2023-11-07T05:31:56Z",
    "size": 123
  },
  "entity": {},
  "headers": {},
  "mediaType": {
    "type": "<string>",
    "subtype": "<string>",
    "parameters": {},
    "wildcardType": true,
    "wildcardSubtype": true
  },
  "messageBodyWorkers": {},
  "parent": "<unknown>",
  "providers": {},
  "bodyParts": [
    {
      "contentDisposition": {
        "type": "<string>",
        "parameters": {},
        "fileName": "<string>",
        "creationDate": "2023-11-07T05:31:56Z",
        "modificationDate": "2023-11-07T05:31:56Z",
        "readDate": "2023-11-07T05:31:56Z",
        "size": 123
      },
      "entity": {},
      "headers": {},
      "mediaType": {
        "type": "<string>",
        "subtype": "<string>",
        "parameters": {},
        "wildcardType": true,
        "wildcardSubtype": true
      },
      "messageBodyWorkers": {},
      "parent": "<unknown>",
      "providers": {},
      "parameterizedHeaders": {}
    }
  ],
  "parameterizedHeaders": {}
}' \
  --form 'providers={}' \
  --form 'bodyParts={
  "contentDisposition": {
    "type": "<string>",
    "parameters": {},
    "fileName": "<string>",
    "creationDate": "2023-11-07T05:31:56Z",
    "modificationDate": "2023-11-07T05:31:56Z",
    "readDate": "2023-11-07T05:31:56Z",
    "size": 123
  },
  "entity": {},
  "headers": {},
  "mediaType": {
    "type": "<string>",
    "subtype": "<string>",
    "parameters": {},
    "wildcardType": true,
    "wildcardSubtype": true
  },
  "messageBodyWorkers": {},
  "parent": "<unknown>",
  "providers": {},
  "parameterizedHeaders": {}
}' \
  --form 'fields={}' \
  --form 'parameterizedHeaders={}'

{
  "conflicts": [
    "<string>"
  ],
  "variablesWarnings": [
    "<string>"
  ],
  "variablesErrors": [
    "<string>"
  ],
  "variablesSubstitutions": [
    "<string>"
  ],
  "validationWarnings": [
    "<string>"
  ],
  "validationErrors": [
    "<string>"
  ],
  "importErrors": [
    "<string>"
  ],
  "importActions": [
    "<string>"
  ],
  "zipFileToken": "<string>",
  "transformationMsgs": [
    "<string>"
  ],
  "status": "<string>"
}