public string Post(ApiModel model)
        {
            var result = new JObject();

            result["status"] = false;

            var client = ClientList.Find(model.Token);

            if (client != null)
            {
                var obj = new JObject();
                obj["message"] = "completed";
                obj["token"]   = model.AccessToken;

                string message = JsonConvert.SerializeObject(obj);

                client.Socket.Send(message);

                ClientList.Delete(client.Id);

                result["status"] = true;
            }

            return(JsonConvert.SerializeObject(result));
        }