Comment by mooreds

Haha, I know. As soon as I saw it, I decoded it and saw

   {
  "aud": "stratechery.passport.online",
  "azp": "HKLcS4DwShwP2YDKbfPWM1",
  "ent": {
    "uri": [
      "https://stratechery.com/2024/the-great-flattening/"
    ]
  },
  "exp": 1718188732,
  "iat": 1715596732,
  "iss": "https://api.passport.online/oauth",
  "scope": "feed:read article:read asset:read category:read entitlements",
  "sub": "WsrLyrr6qemVAgEGCjMm34",
  "use": "access"
  }

Not sure who user WsrLyrr6qemVAgEGCjMm34 is, but thanks for sharing the article with us all!

At first glance, looks like passport.online is a subscription management service: https://passport.online/