{
    "errcode": 0,
    "errmsg": "ok",
    "parents": [
        {
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            "mobile": "18900000000",
            "is_subscribe": 1,
            "external_userid": "xxx",
            "children": [
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                    "student_userid": "zhangsan",
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                }
            ]
        },
        {
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            "children": [
                {
                    "student_userid": "lisi",
                    "relation": "妈妈",
                    "name": "李四"
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        }
    ]
}
