WebsocketClient.NativeClient.get Return null

[znahovo]

these code were used

 string cacert = File.ReadAllText("D:\\vsproj\\EdgeGPTCsharp\\EdgeGPTCsharp\\cacert.pem");
            var a = new X509Certificate2(Encoding.ASCII.GetBytes(cacert));

         wss.NativeClient.Options.ClientCertificates.Add(a);