var ws = new WebSocket('wss://ws.binaryws.com/websockets/v3?app_id=1089');
ws.onopen = function(evt) {
ws.send(JSON.stringify({ticks:'R_100'}));
};
ws.onmessage = function(msg) {
var data = JSON.parse(msg.data);
console.log('ticks update: %o', data);
};