{
    "version": 1.0,
    "title": "secci\u00f3n 3: los verbos con cambio de ra\u00edz en el pret\u00e9rito",
    "type": "rich",
    "html": "<iframe width=\"500\" height=\"500\" style=\"border:3px solid black; margin:auto; display:block\" frameborder=\"0\" src=\"https://crosswordlabs.com/embed/palaabras-y-frases-comunes-en-el-preterito\"></iframe>",
    "width": 500,
    "height": 500,
    "thumbnail_url": "https://crosswordlabs.com/image/19685062.svg",
    "thumbnail_width": 100,
    "thumbnail_height": 100
}