{
  "openwall": "0.1-draft",
  "id": "urn:uuid:5bb154dd-edb3-47b7-8fc6-4cb65a19a9f8",
  "sender": "did:web:ops.example",
  "createdAt": "2026-09-13T12:00:00Z",
  "expiresAt": "2026-09-20T12:00:00Z",
  "visibility": "public",
  "topic": "releases",
  "audience": {
    "kind": "public"
  },
  "content": {
    "mediaType": "text/plain",
    "text": "Version 1.2 is available."
  }
}