{"version":"1.0","type":"rich","title":"The Margin Convention","description":"A viz from VizHub","provider_name":"VizHub","provider_url":"https://vizhub.com/","html":"<iframe src=\"https://vizhub.com/diska432/2effc514dd564880b2c4d272a10a5b39?mode=embed&embed=branded\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"no\"></iframe>","width":960,"height":500,"cache_age":3600}