{"type":"rich","version":1.0,"title":"OpenZeppelin: Learn how to upgrade smart contracts","width":1756,"height":984,"html":"<a href=\"https://asciinema.org/a/295219\" target=\"_blank\"><img src=\"https://asciinema.org/a/295219.png\" alt=\"OpenZeppelin: Learn how to upgrade smart contracts\" width=\"1756\"></a>","author_name":"abcoathup","author_url":"https://asciinema.org/~abcoathup","provider_url":"https://asciinema.org/","thumbnail_width":1756,"thumbnail_url":"https://asciinema.org/a/295219.png","thumbnail_height":984,"provider_name":"asciinema"}