public static void updateItem(LeaderboardEntity request)
        {
            LeaderboardsService leaderboardsService = new LeaderboardsService();

            leaderboardsService.update(request, (InsertUpdateResponse insertUpdateResponse) => {
                Debug.Log("successful " + "update Ad: " + insertUpdateResponse.Guid);
            }, (int resultCode) => {
                Debug.Log("failure " + "update Ad: " + resultCode);
            });
        }