gistfile1.txt

// to install: $ npm install ws
// to run: $ node health.js

var WebSocket = require('ws');
var ws = new WebSocket('wss://deposits.privatbank.ua/ws/static/app/open.htm');
ws.on('open', function open() { console.log('ok'); ws.send('N2O,'); });
ws.on('close', function close() { console.log('closed'); });
ws.on('message', function message(data, flags) {
  console.log('Data');
  console.log(data);
  ws.close(); 
});