Подключение к WebSocket биржи poloniex

var wsuri = "wss://api.poloniex.com";
var connection = new autobahn.Connection({
  url: wsuri,
  realm: "realm1"
});
connection.onopen = function (session) {
        function marketEvent (args,kwargs) {
                console.log(args);
        }
        function tickerEvent (args,kwargs) {
                console.log(args);
        }
        function trollboxEvent (args,kwargs) {
                console.log(args);
        }
        session.subscribe('BTC_XMR', marketEvent);
        session.subscribe('ticker', tickerEvent);
        session.subscribe('trollbox', trollboxEvent);
}
 
connection.onclose = function () {
  console.log("Websocket connection closed");
}                      
connection.open();

WebSocket connection to 'wss://api.poloniex.com/' failed: Error during WebSocket handshake: Unexpected response code: 502

?new b.WebSocket(a._options.url,a._options.protocols):new b.WebSocket(a._options.url);e.binaryType="arraybuffer"}else if("MozWebSocket"in b)e=a._options.protocols?new b.MozWebSocket(a._options.url

var autobahn = require('autobahn');
var wsuri = "wss://api.poloniex.com";
var connection = new autobahn.Connection({
  url: wsuri,
  realm: "realm1"
});
 
connection.onopen = function (session) {
        function trollboxEvent (args,kwargs) {
                console.log(args);
        }
        session.subscribe('trollbox', trollboxEvent);
}
 
connection.onclose = function () {
  console.log("Websocket connection closed");
}
                       
connection.open();

Websocket connection closed