毕业离职事件

回调的请求body， response_id请原样返回

学生毕业

{
    "childId":"孩子ID",
    "schoolId":"家长ID",
    "classId":"班级ID",
    "tag":"graduatedChild",
    "response_id":"123aasdfAADDDCMKDJ"
}

老师离职

{
    "userId":"老师ID",
    "schoolId":"学校ID",
    "tag":"leaveTeacher",
    "response_id":"123aasdfAADDDCMKDJ"
}