{
  "txn": "c2dc3992-2d65-483a-93b5-2dd9f02c276e",
  "sub": "api-gw.trust-domain.example",
  "aud": "https://trading.trust-domain.example/stocks",
  "iss": "https://txn-svc.trust-domain.example",
  "iat": 1697059200,
  "exp": 1697059500,
  "purp": "trade.stocks",
  "tctx": {
    "action": "BUY",
    "ticker": "MSFT",
    "quantity": "100"
  },
  "req_wl": "apigateway.trust-domain.example",
  "actor": {
    "agent_id": "agent-1234",
    "version": "v2.1.0",
    "deployment": "prod-us-east-1"
  },
  "principal": "user:alice@example.com"
}