接口 https://qyapi.weixin.qq.com/cgi-bin/externalcontact/get_user_behavior_data 请求一直报错，我不理解，我的时间有什么问题

时间参数

  "start_time": 1634054400000,

  "end_time": 1634140800000

{ "errcode": 600018, "errmsg": "Warning: wrong json format. invalid start endtime, hint: [1634117370_204_28b147bf5cc8f3e76f3748591836fad4], from ip: 9.138.196.168, more info at https://open.work.weixin.qq.com/devtool/query?e=600018", "behavior_data": [] }