curl --request GET \
  --url https://openapi.pluuug.com/v1/inquiry/{inquiry_id}/history/{history_id}

{
  "id": 123,
  "content": "<string>",
  "created": "2023-11-07T05:31:56Z",
  "member": {
    "id": 123,
    "nickname": "<string>",
    "email": "<string>",
    "isActive": true,
    "grade": {
      "id": 123,
      "title": "<string>"
    }
  }
}