curl --request GET \
  --url https://{FUSION HOST}/api/searchCluster

[
  {
    "id": "<string>",
    "connectString": "<string>",
    "zkClientTimeout": 123,
    "zkConnectTimeout": 123,
    "cloud": true,
    "bufferFlushInterval": 123,
    "bufferSize": 123,
    "concurrency": 123,
    "authConfig": {
      "authType": "NONE",
      "username": "<string>",
      "password": "<string>",
      "keyTab": "<string>",
      "principal": "<string>"
    },
    "validateCluster": true
  }
]