{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Differential topology","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/551/169/big5511698458.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-5511698458.html\">Differential topology</a>","width":400,"height":300}