{"version":"1.0","type":"rich","provider_name":"Flat","provider_url":"https://flat.io","author_url":"https://flat.io/onigiri10-6725","author_name":"onigiri10","width":800,"height":400,"title":"挑戦状の楽譜","html":"<iframe src=\"https://flat.io/embed/6306c8d76a8959001266579e\" allowfullscreen height=\"400\" width=\"800\" frameBorder=\"0\"></iframe>","thumbnail_url":"https://flat.io/api/v2/scores/6306c8d76a8959001266579e/revisions/last/thumbnail.png?noRedirect=true"}