{
  "id": "permit-001",
  "proposal_digest": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
  "issued_at": "2026-03-14T08:30:00Z",
  "expires_at": "2026-03-15T23:59:59Z",
  "effect_limits": {
    "max_energy_mwh": "1500.0"
  },
  "revoked_at": null,
  "issuer": "authority-service"
}