{
    "version": 1.0,
    "title": "S1 U1 Vocab (a)",
    "type": "rich",
    "html": "<iframe width=\"500\" height=\"500\" style=\"border:3px solid black; margin:auto; display:block\" frameborder=\"0\" src=\"https://crosswordlabs.com/embed/s1-u1-vocab-a\"></iframe>",
    "width": 500,
    "height": 500,
    "thumbnail_url": "https://crosswordlabs.com/image/20327838.svg",
    "thumbnail_width": 100,
    "thumbnail_height": 100
}