{
  "protocolVersion": "0.1",
  "actionId": "urn:uuid:10000000-0000-4000-8000-000000000105",
  "actor": {"type": "agent", "id": "urn:missionweaveprotocol:agent:worker-one"},
  "sessionEpoch": 8,
  "groupId": "urn:missionweaveprotocol:group:mission-one",
  "kind": "message.post",
  "correlationId": "urn:uuid:10000000-0000-4000-8000-000000000106",
  "issuedAt": "2026-07-15T00:00:00Z",
  "payload": {
    "messageId": "urn:missionweaveprotocol:message:missing-membership"
  },
  "signature": {
    "algorithm": "Ed25519",
    "keyId": "urn:missionweaveprotocol:key:worker-one",
    "createdAt": "2026-07-15T00:00:00Z",
    "value": "c2lnbmF0dXJl"
  }
}