What is the correct way to send serialized JSON data in C#

I have tried to send data like this:

   TcpClient client = new TcpListener(IPAddress.Any, port).AcceptTcpClient();


   using StreamWriter writer = new StreamWriter(client.GetStream());
   writer.AutoFlush = true;
   Object obj = new Object(); // data 
   string json = JsonConvert.SerializeObject(obj);
   writer.writeLine(json);

And receive data like this:

   TcpClient client = new TcpClient();
   IPEndPoint clientEnpoint = new IPEndPoint(IPAddress.Parse(clientIPTextBox.Text), int.Parse(clientPortTextBox.Text));
   client.Connect(clientEnpoint);

   using StreamReader reader - new StreamReader(client.GetStream());
   string json = reader.readLine();
   Obj obj = JsonConvert.DeserializeObject<Obj>(json);

This is a sample of data sent
"{"ClientName":"172.31.224.1:63167","Action":1}"

After write, read, write from server and read, write from client, the last write from server gives the error:
Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.