{"version":"1.0","type":"rich","provider_name":"Castle","provider_url":"https://castle.xyz","title":"Numberblocks sandbox v1.5 - by @Sovietbirdoffcial2026 on Castle","author_name":"Sovietbirdoffcial2026","author_url":"https://castle.xyz/@Sovietbirdoffcial2026","html":"<iframe src=\"https://castle.xyz/d/jq1kIyAwUizK?embed=true\" width=\"450\" height=\"729\" frameborder=\"0\" scrolling=\"no\" credentialless allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" style=\"border-radius: 10px; max-width: 100%; aspect-ratio: 450/729; height: auto;\" title=\"Numberblocks sandbox v1.5 - by @Sovietbirdoffcial2026 on Castle\"></iframe>","width":450,"height":729,"thumbnail_url":"https://image.castle.xyz/a3b4e4fa44db283344e2bfa401c77534?h=800&format=png8&ar=5:7"}