curl --request POST \
  --url https://cloud.onyx.app/api/manage/credential/private-key \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'credential_json=<string>' \
  --form 'source=<string>' \
  --form uploaded_file='@example-file' \
  --form 'field_key=<string>' \
  --form 'type_definition_key=<string>' \
  --form admin_public=false \
  --form curator_public=false \
  --form 'name=<string>'

{
  "id": 123,
  "credential": {
    "credential_json": {},
    "admin_public": true,
    "source": "ingestion_api",
    "id": 123,
    "user_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "time_created": "2023-11-07T05:31:56Z",
    "time_updated": "2023-11-07T05:31:56Z",
    "name": "<string>",
    "curator_public": false,
    "groups": [
      123
    ],
    "is_user_file": false,
    "user_email": "<string>"
  }
}