{"type":"rich","version":"1.0","title":"**Bố cục lá thư**  ![OIP](attached://2729d74587f21803dc7ae790e30958e4 150x150) ","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YZ9SXXR39S_5X7gs/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/619f525d7477f52ff95fb82c\" frameborder=\"0\" allowfullscreen></iframe>"}