{
  "schema_version": "0.1",
  "message_id": "msg-heartwood-withdraw-simone-heartwood-nearby",
  "type": "withdrawal",
  "sender": {
    "identity": "simone@mail.example",
    "verification_level": "oauth",
    "profile_url": "https://simonelaurent.example"
  },
  "recipient": {
    "identity": "harriet@mail.example"
  },
  "via_pool": {
    "url": "https://heartwood.example/pools/heartwood-nearby.json",
    "id": "heartwood-nearby",
    "name": "Heartwood: Nearby"
  },
  "sent_at": "2026-09-28T09:30:00Z",
  "subject": "Withdraw me from Heartwood: Nearby",
  "body": {
    "content_type": "text/plain",
    "content": "Please remove my profile from this Pool."
  },
  "transport": {
    "type": "email"
  }
}