MistyListeningToPubNub.js

misty.RegisterTimerEvent("keepActive", 18000, true);

function _keepActive() {
    misty.SendExternalRequest("POST", "https://ps.pndsn.com/publish/<publish-key>/<subscribe-key>/0/<pubnub-channel>/myCallback", null, null, "{}", false, false, "", "application/json");
}

misty.SendExternalRequest("GET", "https://ps.pndsn.com/subscribe/<subscribe-key>/<pubnub-channel>/0/0?uuid=<any-user-name>", null, null, "{}", false, false, "", "application/json", "_pubNubSubscribe");

function _pubNubSubscribe(data) 
{
    outputExt(data.Result.ResponseObject.Data);
}