{
  "iss": "https://keycloak.guildhouse.example.org/realms/platform",
  "sub": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
  "aud": "spire",
  "exp": 1735689600,
  "iat": 1735686000,
  "auth_time": 1735686000,
  "email": "operator@guildhouse.coop",
  "email_verified": true,
  "preferred_username": "operator",
  "groups": [
    "platform-engineers",
    "tenant-alpha-admins"
  ],
  "realm_access": {
    "roles": [
      "administrator",
      "engineer"
    ]
  },
  "tenant_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
}