{
    "version": 1.0,
    "title": "Fill out the crossword puzzle with suitable English words.",
    "type": "rich",
    "html": "<iframe width=\"500\" height=\"500\" style=\"border:3px solid black; margin:auto; display:block\" frameborder=\"0\" src=\"https://crosswordlabs.com/embed/fill-out-the-crossword-puzzle-with-suitable-english-words\"></iframe>",
    "width": 500,
    "height": 500,
    "thumbnail_url": "https://crosswordlabs.com/image/9343664.svg",
    "thumbnail_width": 100,
    "thumbnail_height": 100
}