{"type":"rich","version":1.0,"title":"scaffold demo","width":3460,"html":"<a href=\"https://asciinema.org/a/220378\" target=\"_blank\"><img alt=\"scaffold demo\" src=\"https://asciinema.org/a/220378.png\" width=\"3460\"></a>","height":1880,"author_name":"easonlin","author_url":"https://asciinema.org/~easonlin","provider_name":"asciinema","provider_url":"https://asciinema.org/","thumbnail_height":1880,"thumbnail_url":"https://asciinema.org/a/220378.png","thumbnail_width":3460}