No market data from polygon web socket

I switched to using the PolygonSockClient (since the NATS client was deprecated), but no market events are being fired. See sample code below:

using Alpaca.Markets;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace AlpacaApiTests
{
    class Program
    {
        static void Main(string[] args)
        {
            AlpacaClient client = new AlpacaClient();
            client.Start().Wait();
            Console.WriteLine("done");
        }
    }

    public class AlpacaClient
    {
        private readonly PolygonSockClient marketDataClient;
        private readonly ManualResetEventSlim awaiter;

        public AlpacaClient()
        {
            this.marketDataClient = new PolygonSockClient(
                keyId: "<ALPACA_API_KEY_ID>",
                isStagingEnvironment: false);
            this.awaiter = new ManualResetEventSlim();
        }

        public async Task Start()
        {
            var auth = await this.marketDataClient.ConnectAndAuthenticateAsync();
            Console.WriteLine(auth);
            this.marketDataClient.OnError += MarketDataClient_OnError;
            this.marketDataClient.QuoteReceived += MarketDataClient_QuoteReceived;
            this.marketDataClient.SubscribeQuote("AAPL");

            this.marketDataClient.SecondAggReceived += MarketDataClient_SecondAggReceived;
            this.marketDataClient.SubscribeSecondAgg("AAPL");

            awaiter.Wait();
        }

        private void MarketDataClient_OnError(Exception obj)
        {
            Console.WriteLine(obj);
        }

        private void MarketDataClient_SecondAggReceived(IStreamAgg obj)
        {
            Console.WriteLine($"{obj.EndTime}: {obj.Symbol}");
        }

        private void MarketDataClient_QuoteReceived(IStreamQuote obj)
        {
            Console.WriteLine($"{obj.Time}: {obj.Symbol}");
        }
    }
}

[OlegRa]

I’m unable to change this behavior in the current SDK version because it would be a breaking change. But I’ll open a separate issue for the next major release. In this case, I’ll have time for investigation of possible procs and cons of this change.

[OlegRa]

@biyimaks Could you please close this issue if the problem is solved now.