{
  "designs": [
    {
      "id": 1,
      "title": "森系小清新",
      "comments": [
        {"id": 1, "user": "用户A", "text": "这个设计太美了！", "time": "2025-07-03T10:00:00Z"}
      ]
    },
    {
      "id": 2,
      "title": "复古摩登",
      "comments": []
    },
    {
      "id": 3,
      "title": "森系小清新",
      "comments": [
        {"id": 3, "user": "用户C", "text": "这个设计太美了！3", "time": "2025-07-03T10:00:00Z"}
      ]
    },
    {
      "id": 4,
      "title": "森系小清新",
      "comments": [
        {"id": 4, "user": "用户D", "text": "这个设计太美了！4", "time": "2025-07-03T10:00:00Z"}
      ]
    }
  ]
}