分页查询消息列表

{
  "code": 0,
  "data": {
    "counts": 0,
    "items": [
      {
        "bussinessType": 0,
        "content": "string",
        "contentType": 0,
        "createUser": 0,
        "created": "string",
        "id": 0,
        "isRead": 0,
        "readTime": "string",
        "relevantId": 0,
        "title": "string",
        "updateUser": 0,
        "updated": "string",
        "userId": 0
      }
    ],
    "page": 0,
    "pageSize": 0,
    "pages": 0
  },
  "msg": "string"
}