Web socket

• Connect to socket server
  market.socket.connect()
  It will emit event 'connected' on successful connect.
  market.on('connected', function () { console.log('Connected to websocket'); });
• Subscribe to channel
  market.socket.subscribe('newitems_go');
  Handle updates:

market.on('newitems_go', function (item) {  
    console.log(item); // typeof item === 'string'
});

• Auth

market.auth(function (err) {  
    if (err) return console.error(err);  
    console.log('Authorization successful');  
});  

After auth you can receive personal notifications.