<http://schema.org/thumbnailUrl>
<https://success.mindtouch.com/@api/deki/pages/17069/thumbnail>
<https://success.mindtouch.com/Documentation/MindTouch4/Scripting/Enhance_with_APIs/API_calls/users/users%2F%2F%7Buserid%7D%2F%2F%2F%2Ffavorites_(GET)>