[
  {
    "id": "aaa",
    "type": "text",
    "content": "cc",
    "votes": 0,
    "writer": {
      "handle": "ccc",
      "display_name": "ccc"
    },
    "children": [
      {
        "id": "bbb",
        "type": "text",
        "content": "bbb",
        "votes": 0,
        "writer": {
          "handle": "ddd",
          "display_name": "ddd"
        },
        "children": null,
        "children_count": 0,
        "parent_id": null,
        "article_id": null,
        "created_at": "2025-05-19T19:22:05.561451+09:00",
        "updated_at": "2025-05-19T19:22:05.561451+09:00"
      }
    ],
    "children_count": 1,
    "parent_id": null,
    "article_id": null,
    "created_at": "2025-05-19T19:19:01.556444+09:00",
    "updated_at": "2025-05-19T19:19:01.556444+09:00"
  }
]

타임스탬프까지 같이 오는구나

근데 parent_id랑 article_id는 왜 null인거냐...