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"
}