{
  "schema_version": "0.1",
  "message_id": "msg-cc-simone-hamid-dating-1",
  "type": "intro",
  "sender": {
    "identity": "simone@mail.example",
    "display_name": "Simone Laurent",
    "verification_level": "oauth",
    "profile_url": "https://simonelaurent.example"
  },
  "recipient": {
    "identity": "hamid@mail.example",
    "profile_url": "https://hamid-karimi.example"
  },
  "via_pool": {
    "url": "https://cardcatalog.example/pools/card-catalog-cascadia.json",
    "id": "card-catalog-cascadia",
    "name": "Card Catalog: Cascadia"
  },
  "sent_at": "2026-09-28T09:07:00Z",
  "subject": "A letter from Simone, through Card Catalog",
  "body": {
    "content_type": "text/plain",
    "content": "Hi Hamid,\n\nYou found my card searching Portland and architecture, and I found yours by the couch that always fits. I design small public buildings, so I think about doors all day. Tahdig sounds like a very good reason to take turns cooking.\n\nSimone"
  },
  "transport": {
    "type": "email",
    "message_headers": {
      "X-Kindling-Client": "Card Catalog"
    }
  }
}