{
  "protocolVersion": "0.1",
  "eventId": "urn:uuid:10000000-0000-4000-8000-000000000109",
  "kind": "message.posted",
  "actor": {"type": "agent", "id": "urn:missionweaveprotocol:agent:worker-one"},
  "cause": {
    "type": "command",
    "id": "urn:uuid:10000000-0000-4000-8000-000000000103"
  },
  "correlationId": "urn:uuid:10000000-0000-4000-8000-000000000104",
  "occurredAt": "2026-07-15T00:00:01Z",
  "payload": {
    "messageId": "urn:missionweaveprotocol:message:missing-group-context"
  },
  "acceptedBy": {
    "type": "service",
    "id": "urn:missionweaveprotocol:service:group-authority"
  },
  "signature": {
    "algorithm": "Ed25519",
    "keyId": "urn:missionweaveprotocol:key:group-authority",
    "createdAt": "2026-07-15T00:00:01Z",
    "value": "c2lnbmF0dXJl"
  }
}