curl --request GET \
  --url https://api.beter-keiba.com/v1/broodmares \
  --header 'Authorization: Bearer <token>'

{
  "code": "SUCCESS",
  "data": [
    {
      "id": "hn_1234567890",
      "dataType": "2",
      "dataUpdatedAt": 1716715200,
      "horseId": "um_2021105477",
      "name": "トップデサイル",
      "nameKana": "ﾄｯﾌﾟﾃﾞｻｲﾙ",
      "nameEng": "Top Decile",
      "birthYear": 2010,
      "sexCode": "1",
      "breedCode": "1",
      "colorCode": "03",
      "importTypeCode": "3",
      "importYear": 0,
      "originName": "アメリカ",
      "sireBroodmareId": "hn_1234567890",
      "damBroodmareId": "hn_1234567890",
      "createdAt": 1716716000,
      "updatedAt": 1716716000
    }
  ],
  "extensions": {
    "totalCount": 1,
    "limit": 50,
    "page": 1,
    "totalPages": 1,
    "dataUpdatedAt": 1716715200
  }
}