protected void Application_Start(Object sender, EventArgs e)
{
     RegisterRoutes(RouteTable.Routes);

     WebSocketManager.OpenConnection();
}

public class WebSocketManager
    {
        private static WebSocket _webSocket;
        private static ConcurrentDictionary<long, List<InstanceState>> _statesQueue;

        public static void OpenConnection()
        {
            if (_webSocket != null && _webSocket.State == WebSocketState.Open)
            {
                return;
            }

            initWebSocketConnection();
        }

        private static void initWebSocketConnection()
        {
            _webSocket = new WebSocket("ws://localhost:8181");
            _webSocket.Opened += websocket_Opened;
            _webSocket.Error += websocket_Error;
            _webSocket.Closed += websocket_Closed;
            _webSocket.DataReceived += websocket_DataRecieved;

            _webSocket.Open();
        }

        private static void websocket_DataRecieved(object sender, DataReceivedEventArgs message)
        {
            try
            {                
                if (HttpContext.Current.ApplicationInstance.Application["test"] == null)
                {                   
                    HttpContext.Current.ApplicationInstance.Application["test"] = "";
                }          
            }
            catch (Exception e)
            {
                
            }
        }