{
    "version": "1.0",
    "type": "rich",
    "provider_name": "LexiCarta",
    "provider_url": "https://www.lexicarta.com/",
    "title": "加尔各答黑洞 — Lexicarta",
    "html": "<iframe src=\"https://www.lexicarta.com/embed/zh/%E5%8A%A0%E5%B0%94%E5%90%84%E7%AD%94%E9%BB%91%E6%B4%9E\" width=\"100%\" height=\"480\" loading=\"lazy\" title=\"Lexicarta: 加尔各答黑洞\"></iframe>",
    "width": 600,
    "height": 480
}