{
    "parent_userid": "zhangsan_parent_userid",
    "mobile": "10000000000",
    "to_invite": false,
    "children": [
        {
            "student_userid": "zhangsan",
            "relation": "爸爸"
        },
        {
            "student_userid": "lisi",
            "relation": "伯父"
        }
    ]
}
