get user by username

{
    "result": [
        {
            "id": 0,
            "avatar": "string",
            "nickname": "string",
            "veryfied": true,
            "stats": {
                "follower_count": 0,
                "following_count": 0,
                "friend_count": 0,
                "video_count": 0
            },
            "username": "string",
            "created_at": "string",
            "update_at": "string"
        }
    ],
    "success": true
}