public Task <HttpResponseMessage> Get()
        {
            HttpResponseMessage response = new HttpResponseMessage();

            try
            {
                List <Balance> leaderboard = _service.GetLeaderboard() as List <Balance>;

                var leaderboardResult = leaderboard.ConvertAll <LeaderbordModel>(x =>
                                                                                 new LeaderbordModel(x.Player.PlayerId, x.Points, x.LastUpdate));

                response = Request.CreateResponse(HttpStatusCode.OK, leaderboardResult);
            }
            catch (Exception ex)
            {
                response = Request.CreateResponse(HttpStatusCode.BadRequest, ex.Message);
            }
            var task = new TaskCompletionSource <HttpResponseMessage>();

            task.SetResult(response);
            return(task.Task);
        }