base64Url

https://base64.guru/standards/base64url/decode

aHR0cHM6Ly9wcm8ubS5qZC5jb20vbWFsbC9hY3RpdmUvWlFiaEF2Z0pj
eVF0V3VuZlRHckxGem41NWNuL2luZGV4Lmh0bWw_YmFiZWxDaGFubmVsPXR0dDIyJlBUQUc9MTcwNTEu
OS4xJmlubmVyQW5jaG9yPTc4MjQzMDcmZm9jdXM9MiZhZF9vZD0x

==>

https://pro.m.jd.com/mall/active/ZQbhAvgJcyQtWunfTGrLFzn55cn/index.html?babelChannel=ttt22&PTAG=17051.9.1&innerAnchor=7824307&focus=2&ad_od=1

【 在 cestlavie (along the border) 的大作中提到: 】
: 某司的广告Tracking：
: https://xxxx.com/nc?ext=aHR0cHM6Ly9wcm8ubS5qZC5jb20vbWFsbC9hY3RpdmUvWlFiaEF2Z0pjeVF0V3VuZlRHckxGem41NWNuL2luZGV4Lmh0bWw_YmFiZWxDaGFubmVsPXR0dDIyJlBUQUc9MTcwNTEuOS4xJmlubmVyQW5jaG9yPTc4MjQzMDcmZm9jdXM9MiZhZF9vZD0x&log=JEPXoQ6MA3SX-3qL7Lq0ldORFeSy8tEJI
: 微信的：
: ...................
--
FROM 58.32.4.*