Google YouTube API display real-time channel subscribers, view count

YouTubeAPI.gs

function createDoc() {
  var doc = DocumentApp.getActiveDocument();

  var body = doc.getBody();
  //Put your unique API key in UNIQUE_KEY section below
  var url = "https://www.googleapis.com/youtube/v3/channels?id=UNIQUE_KEY&part=statistics&fields=items(statistics(viewCount, subscriberCount))";
  var response = UrlFetchApp.fetch(url);
  var astext = response.getContentText();
  //var nobrak = astext.replace(/[\])}[{(]/g, '');
  //var strip = astext.replace(/[\(\)\[\]{},'"]/g,"").replace("items:", "").replace("statistics:", "").replace("viewCount", "Total Views").replace("subscriberCount", "Subscribers");
 
  var data = JSON.parse(astext);
  var views = data.items[0].statistics.viewCount;
  var viewsb = data.items[0].statistics.subscriberCount;
  
  Logger.log(data);
  
  parasub = body.insertParagraph(23, "Subscribers: " + viewsb);
  paraview = body.insertParagraph(24, "Total Views: " + views);
  paraview.setFontSize(16);
  parasub.setFontSize(16);
  body.editAsText().deleteText(1587, 1624);
}