Get a catalog

curl --request GET \
  --url https://your_a2_service/catalogs/{id} \
  --header 'Authorization: Bearer <token>'

{
  "metadata": {
    "category": "<string>",
    "id": "<string>",
    "image_link": "<string>",
    "title": "<string>",
    "brand": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "link": "<string>",
    "seller_name": "<string>",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "id": "",
  "schema": "creative.catalog",
  "source": "<string>"
}