TcpClient client = ....
			var stream = client.GetStream();

			var sw = new StreamWriter(stream);
            var jsonTextWriter = new JsonTextWriter(sw);
            JsonConvert.SerializeObject(jsonTextWriter, Formatting.Indented, new JsonSerializerSettings()
            {
                PreserveReferencesHandling = PreserveReferencesHandling.Objects,
            });