{
  "$ref": "core/state_event.json",
  "type": "m.room.third_party_invite",
  "state_key": "pc98",
  "content": {
    "display_name": "Alice Margatroid",
    "key_validity_url": "https://magic.forest/verifykey",
    "public_key": "abc123",
    "public_keys": [{
      "public_key": "def456",
      "key_validity_url": "https://magic.forest/verifykey"
    }]
  }
}