{
  "workflow_run_id": "synthetic-run-0001",
  "event_id": "synthetic-event-0001",
  "event_time_utc": "2026-10-21T10:00:00Z",
  "workflow_stage": "validation",
  "system_version": "example-release-ref",
  "input_provenance_ref": "restricted://synthetic-input-001",
  "action_or_rule_ref": "example-rule-001",
  "validation_result": "fail",
  "oversight_decision_ref": null,
  "exception_ref": "synthetic-case-001",
  "verified_outcome_ref": null,
  "retention_policy_id": "example-schedule-001"
}