{
  "id": "<string>",
  "type": "broadcast-messages",
  "attributes": {
    "channels": "<array>",
    "locale": "<string>",
    "subject": "<string>",
    "body": "<string>",
    "body_short": "<string>",
    "action_label": "<string>",
    "action_url": "<string>",
    "status": "<string>",
    "email": "<string>",
    "mobile": "<string>",
    "created_at": "<string>"
  },
  "links": {
    "self": "<string>"
  },
  "relationships": {
    "campaign": {
      "data": {
        "type": "<string>",
        "id": "<string>"
      },
      "links": {
        "self": "<string>"
      }
    },
    "recipient": {
      "data": {
        "type": "<string>",
        "id": "<string>"
      },
      "links": {
        "self": "<string>"
      }
    },
    "customer": {
      "data": {
        "type": "<string>",
        "id": "<string>"
      },
      "links": {
        "self": "<string>"
      }
    }
  }
}