获取用户访问小程序数据最近一周日趋势

{
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    {
      "ref_date": "20170313",
      "session_cnt": 142549,
      "visit_pv": 472351,
      "visit_uv": 55500,
      "visit_uv_new": 5464,
      "stay_time_session": 0,
      "visit_depth": 1.9838
    }
  ]
}