{"type":"rich","version":"1.0","title":"Polyphony Lit | Volume 21 | Fall 2025","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\/8de97a2441.html\"><\/iframe>","width":1920,"height":2900,"thumbnail_url":"https:\/\/cdnc.heyzine.com\/files\/uploaded\/v3\/8de97a24416a4c6ec5c403ee93ebe00102e7cbb3.pdf-thumb.jpg","thumbnail_width":1400,"thumbnail_height":2114}