{
    "text": {
        "content": "文本消息内容"
    },
    "attachments": [
        {
            "msgtype": "image",
            "image": {
                "media_id": "MEDIA_ID"
            }
        },
        {
            "msgtype": "video",
            "video": {
                "media_id": "MEDIA_ID"
            }
        },
        {
            "msgtype": "link",
            "link": {
                "title": "消息标题",
                "url": "https://example.link.com/path",
                "media_id": "MEDIA_ID"
            }
        }
    ],
    "visible_range": {
        "sender_list": {
            "user_list": ["zhangshan", "lisi"],
            "department_list": [2, 3]
        },
        "external_contact_list": {
            "tag_list": [1, 2]
        }
    }
}
