{
  "schema_version": "0.1",
  "message_id": "msg-familiar-faces-withdraw-theo-friday-subs",
  "type": "withdrawal",
  "sender": {
    "identity": "theo@mail.example",
    "verification_level": "email",
    "profile_url": "https://theo-lindqvist.carrd.example"
  },
  "recipient": {
    "identity": "lena@mail.example"
  },
  "via_pool": {
    "url": "https://ferryroom.example/pools/friday-subs.json",
    "id": "friday-subs",
    "name": "Friday Subs"
  },
  "sent_at": "2026-09-28T09:00:00Z",
  "subject": "Withdraw me from Friday Subs",
  "body": {
    "content_type": "text/plain",
    "content": "Please remove my profile from this Pool."
  },
  "transport": {
    "type": "email",
    "message_headers": {
      "X-Kindling-Client": "Familiar Faces"
    }
  }
}