{
  "id": "msg-001",
  "createdDateTime": "2026-04-18T10:30:00Z",
  "lastModifiedDateTime": "2026-04-18T10:30:00Z",
  "messageType": "message",
  "importance": "normal",
  "subject": "Project Update",
  "body": {
    "contentType": "html",
    "content": "<p>Here is the latest update on the project.</p>"
  },
  "from": {
    "user": {
      "id": "user-123",
      "displayName": "Jane Smith"
    }
  }
}