MTNL Ad Injection - XHR Request for Availability of Ads

URL of XHR:
http://mtnl.phozeca.com:3000/api/getad?subscriberId=XXXXXXXX%40mtnl&subscriberIP=XXX.XX.XXX.XX&nadipdata=%7B%22url%22%3A%22%2Fwidgets.js%22%2C%22referer%22%3A%22http%3A%2F%2Findianexpress.com%2F%22%2C%22subscriberId%22%3A%22XXXXXXXX%40mtnl%22%2C%22host%22%3A%22platform.twitter.com%22%2C%22categories%22%3A%5B1%5D%2C%22reputations%22%3A%5B1%5D%7D&screenheight=XXX&screenwidth=XXXX&preadid=-1&cycle=false&_=1490084859594


{"message":"No Ad available.","error":true}