{"type":"rich","version":"1.0","title":"het romeinse rijk houdt stand in het oosten","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YbogNQnrSmEu2yGG/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/61ba203509eb4a612edb2186\" frameborder=\"0\" allowfullscreen></iframe>"}