curl --request DELETE \
  --url https://api.us.lexful.app/v1/entities/{entityTypeName}/{entityId}/files/{fileId} \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Account-ID: <api-key>'

{
  "status": 123,
  "message": "<string>",
  "error_id": "<string>",
  "error_code": "<string>",
  "developer_message": "<string>"
}