{"type":"rich","version":"1.0","title":"toán lớp 6","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/ajnvF_J6K6SmUvdN/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/6a39ef17f27a2ba4a652f74d\" frameborder=\"0\" allowfullscreen></iframe>"}