{"version":"1.0","type":"rich","provider_name":"Flat","provider_url":"https://flat.io","author_url":"https://flat.io/rowan_g_524","author_name":"Rowan Gruszecki","width":800,"height":400,"title":"Preface","html":"<iframe src=\"https://flat.io/embed/674226276a28f966ccf1d52b\" allowfullscreen height=\"400\" width=\"800\" frameBorder=\"0\"></iframe>","thumbnail_url":"https://flat.io/api/v2/scores/674226276a28f966ccf1d52b/revisions/last/thumbnail.png?noRedirect=true"}