{"type":"rich","version":1.0,"provider_name":"Speaker Deck","provider_url":"https://speakerdeck.com/","title":"DLfromScratch4","author_name":"Minemichi","author_url":"https://speakerdeck.com/minemichi","html":"\u003ciframe id=\"talk_frame_444831\" class=\"speakerdeck-iframe\" src=\"https://speakerdeck.com/player/ef4d289874f04aacab0a3477a6d06eb1\" width=\"710\" height=\"533\" style=\"aspect-ratio:710/533; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\n","width":710,"height":533,"ratio":1.3315994798439532}