{
  "Header": {},
  "Payload": {
    "TaskId": 666,
    "Operate": "REJECT",
    "Reason": "The video character has a green outline, so the effect is not satisfactory."
  }
}

{
  "Header": {
    "Code": 0,
    "Message": "",
    "RequestID": "123"
  },
  "Payload": {
  }
}