public void Pong()
        {
            var request = new PongRequest(GeneralRequests.Pong);

            request.Parse();
            Assert.Equal("Pong!", request.EchoMessage);
        }
 public static async Task SendPongRequestAsync(this IFeedManager subscriptionManager, MessageContext <PingMessage> context)
 {
     var request = new PongRequest()
     {
         Timestamp = context.Message.Timestamp
     };
     await subscriptionManager.SendAsync(context.Next <IWebSocketRequest>(request), CancellationToken.None);
 }