{
  "id": "test-timeout-logic-1775318153",
  "from": "pangtong-test",
  "to": "pangtong",
  "type": "text",
  "timestamp": "2026-04-04T15:29:13.000Z",
  "text": "这是一条测试消息，用来测试超时逻辑。如果你的轮询逻辑正确，你会看到这条消息，处理完成后会标记我为已读。",
  "summary": "测试超时逻辑",
  "isRead": true
}