curl --request GET \
  --url https://www.anyfast.ai/kling/v1/general/advanced-custom-elements \
  --header 'Authorization: Bearer <token>'

{
  "code": 0,
  "message": "SUCCEED",
  "data": [
    {
      "task_id": "<string>",
      "task_status": "submitted",
      "task_result": {
        "elements": [
          {
            "element_id": 123,
            "element_name": "<string>",
            "status": "<string>"
          }
        ]
      },
      "created_at": 123,
      "updated_at": 123
    }
  ]
}