curl --request GET \
  --url https://api.pandaprobe.com/traces/users \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "user_id": "<string>",
      "trace_count": 123,
      "first_seen": "<string>",
      "last_seen": "<string>",
      "error_count": 123
    }
  ],
  "total": 123,
  "limit": 123,
  "offset": 123
}