[
  {
    "title": "Test conversation",
    "mapping": {
      "msg-1": {
        "message": {
          "author": { "role": "user" },
          "content": { "parts": ["Hello"] },
          "create_time": 1700000000
        }
      },
      "msg-2": {
        "message": {
          "author": { "role": "assistant" },
          "content": { "parts": ["Hi there!"] },
          "create_time": 1700000001
        }
      }
    }
  }
]