curl --request POST \
  --url https://api.useanima.sh/v1/agents/{agentId}/a2a/tasks/{taskId}/cancel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "id": "<string>",
  "agentId": "<string>",
  "orgId": "<string>",
  "fromDid": "<string>",
  "toDid": "<string>",
  "type": "<string>",
  "input": {},
  "output": {},
  "error": {
    "code": "<string>",
    "message": "<string>"
  },
  "history": [
    {
      "timestamp": "2023-11-07T05:31:56Z",
      "message": "<string>"
    }
  ],
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}