{"type":"rich","version":"1.0","title":"Chapter 1 \nIntroduction","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/XTNbRlj7lXjtb07V/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5d335b4658fb9578ed6f4ed5\" frameborder=\"0\" allowfullscreen></iframe>"}