{"type":"rich","version":"1.0","title":"班级活动","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/XbpUc172Ih4R7-vV/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5dba54735ef6221e11efebd5\" frameborder=\"0\" allowfullscreen></iframe>"}