{"type":"rich","version":"1.0","title":"The British Anti-Slavery Movement ","provider_name":"Heyzine","provider_url":"https:\/\/heyzine.com","html":"<iframe allowfullscreen=\"allowfullscreen\" allow=\"clipboard-write\" scrolling=\"no\" class=\"fp-iframe\" style=\"width: 100%; height: 600px;\" src=\"https:\/\/heyzine.com\/flip-book\/c68fe35393.html\"><\/iframe>","width":1920,"height":3139,"thumbnail_url":"https:\/\/cdnc.heyzine.com\/files\/uploaded\/c68fe35393ab00e50d92d388bf048afba93efdd1.pdf-thumb.jpg","thumbnail_width":1400,"thumbnail_height":2289}