{
  "schema_version": "0.1",
  "message_id": "msg-roomful-intro-jonah-maya",
  "type": "intro",
  "in_reply_to": "msg-roomful-yes-maya-jonah",
  "sender": {
    "identity": "jonah@mail.example",
    "display_name": "Jonah Price",
    "verification_level": "email",
    "profile_url": "https://docs.example/d/jonah-price-date-me"
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  "sent_at": "2026-09-29T20:10:00Z",
  "subject": "Hello from a boatbuilder",
  "body": {
    "content_type": "text/plain",
    "content": "Hi Maya,\n\nI read your doc, including the part about the things you will not pretend to like. Mine is small talk about the weather, which is a problem in a harbor town.\n\nI build wooden boats in Port Ellery, cook on Sundays and read on the ferry. I am up early most days. If you would like to trade a few letters and see where they go, I would like that very much.\n\nJonah"
  },
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