ws-client-receive.js

ws2.on('open', () => {
 console.log('WS2 connected');
 const data = {
   type: 'subscribe',
   topic: 'general'
 }
 ws2.send(JSON.stringify(data), (err) => {
   if(err) {
     console.log(`Error occurred while send data ${err.message}`)
   }
 })
});
ws2.on('message', ( message) => {
 console.log(`ws2 IN ${message}`);
});