{
    "version": "1.0",
    "type": "rich",
    "provider_name": "LexiCarta",
    "provider_url": "https://www.lexicarta.com/",
    "title": "闭合环路 — Lexicarta",
    "html": "<iframe src=\"https://www.lexicarta.com/embed/zh/%E9%97%AD%E5%90%88%E7%8E%AF%E8%B7%AF\" width=\"100%\" height=\"480\" loading=\"lazy\" title=\"Lexicarta: 闭合环路\"></iframe>",
    "width": 600,
    "height": 480
}