{"type":"rich","version":1.0,"provider_name":"Speaker Deck","provider_url":"https://speakerdeck.com/","title":"LAKE TEST","author_name":"Chisato Hata","author_url":"https://speakerdeck.com/chelfle","html":"\u003ciframe id=\"talk_frame_415710\" class=\"speakerdeck-iframe\" src=\"https://speakerdeck.com/player/1fc8bbba98f4484eb9fc3f412375fd82\" width=\"710\" height=\"399\" style=\"aspect-ratio:710/399; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\n","width":710,"height":399,"ratio":1.7777777777777777}