{
  "id": "REQ-001",
  "scope": "upstream_submission",
  "origin_repo": "",
  "visibility": "repo",
  "upstream_submission": true,
  "upstream_request_id": null,
  "source_request_id": "REQ-001",
  "summary": "",
  "rationale": "",
  "thread": {
    "status": "open",
    "participants": [],
    "messages": []
  }
}