{
    "version": 1.0,
    "title": "Which Superhero does this Villain fight?",
    "type": "rich",
    "html": "<iframe width=\"500\" height=\"500\" style=\"border:3px solid black; margin:auto; display:block\" frameborder=\"0\" src=\"https://crosswordlabs.com/embed/which-superhero-does-this-villain-fight\"></iframe>",
    "width": 500,
    "height": 500,
    "thumbnail_url": "https://crosswordlabs.com/image/594681.svg",
    "thumbnail_width": 100,
    "thumbnail_height": 100
}