{"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/e-ines/a2969d786722468898ae4b95410e20ea?mode=embed&embed=branded\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"no\"></iframe>","width":960,"height":500,"cache_age":3600}