{
    "version": "1.0",
    "type": "rich",
    "provider_name": "LexiCarta",
    "provider_url": "https://www.lexicarta.com/",
    "title": "major form class — Lexicarta",
    "html": "<iframe src=\"https://www.lexicarta.com/embed/en/major_form_class\" width=\"100%\" height=\"480\" loading=\"lazy\" title=\"Lexicarta: major form class\"></iframe>",
    "width": 600,
    "height": 480
}