var ws = new WebSocket("ws://3.214.186.49/cable?token=ad42fd59d0459ca91ee4237043083b53");

ws.send(JSON.stringify({"command":"subscribe","identifier":'{"channel": "ChatChannel","channel_name":"channel_name_1"}'}));

ws.send(JSON.stringify({"command":"message","identifier":'{"channel": "ChatChannel","channel_name":"channel_name_1"}',"data":JSON.stringify({action: "send_message", body: "Hi everyone !", user: "ANTON"})}));