UserMessageIndexReq(UserMessageIndexReq)

{
    "createdTime": {
        "end": 0,
        "start": 0
    },
    "group": "string",
    "isRead": 0,
    "notifyCode": "string",
    "page": {
        "orders": [
            {
                "field": "string",
                "sort": 0
            }
        ],
        "page": 0,
        "size": 0
    },
    "str1": "string",
    "str2": "string",
    "str3": "string"
}