{"html":"<iframe src=\"https://miro.com/app/live-embed/uXjVHD1bAZI=/?embedId=228180353092&embedSource=oembed&embedMode=view_only_without_ui\" width=\"100%\" height=\"100%\" allow=\"fullscreen, clipboard-read, clipboard-write, storage-access\" referrerpolicy=\"no-referrer-when-downgrade\"></iframe>","title":"無題","author":"kenichimiyake","thumbnail_url":"https://miro.com/api/v1/boards/uXjVHD1bAZI=/picture?etag=R3458764518027391746_1_20250610&size=180","thumbnail_width":180,"thumbnail_height":180,"width":768,"height":432,"version":"1.0","type":"rich","provider_name":"Miro","provider_url":"https://miro.com"}