{"version":"1.0","type":"rich","provider_name":"Castle","provider_url":"https://castle.xyz","title":"Gravity simulator - by @bad_martian_coder on Castle","author_name":"bad_martian_coder","author_url":"https://castle.xyz/@bad_martian_coder","html":"<iframe src=\"https://castle.xyz/d/6jSaHM_N_y?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=\"Gravity simulator - by @bad_martian_coder on Castle\"></iframe>","width":450,"height":729,"thumbnail_url":"https://image.castle.xyz/b251d52e0e34097db4865fd140729cd8?h=800&format=png8&ar=5:7"}