curl --request GET \
  --url https://api.gameboost.com/v2/gift-cards/offers/{giftCardOffer} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": 123,
    "gift_card_id": 123,
    "price_eur": "<string>",
    "price_usd": "<string>",
    "stock": 123,
    "gift_card": {
      "id": 123,
      "region_id": 123,
      "brand_id": 123,
      "region": {
        "id": 123,
        "code": "<string>",
        "name": "<string>",
        "slug": "<string>",
        "is_country": true
      },
      "brand": {
        "id": 123,
        "name": "<string>",
        "slug": "<string>"
      },
      "title": "<string>",
      "face_value_amount": "<string>",
      "face_value_unit": "<string>",
      "face_value_unit_slug": "<string>",
      "lowest_price_eur": "<string>",
      "lowest_price_usd": "<string>",
      "highest_price_eur": "<string>",
      "highest_price_usd": "<string>",
      "is_enabled": true,
      "created_at": 123,
      "updated_at": 123
    },
    "created_at": 123,
    "updated_at": 123
  }
}