curl --request POST \
  --url https://{FUSION HOST}/api/index-pipelines/{id}/collections/{collection}/debug{?bufferDocsForSolr,echo,echoMaxCount,params,simulate,throwOnError} \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/vnd.lucidworks-document' \
  --data '{}'

{
  "docs": [
    {
      "id": "<string>",
      "fields": [
        {
          "name": "<string>",
          "value": {},
          "metadata": {},
          "annotations": [
            {
              "type": "<string>",
              "start": 123,
              "end": 123,
              "features": {},
              "label": "<string>",
              "featureCount": 123
            }
          ]
        }
      ],
      "metadata": {},
      "commands": [
        {
          "name": "<string>",
          "params": {}
        }
      ],
      "hints": {}
    }
  ],
  "stats": {}
}