curl --request GET \
  --url https://api.clipping.cc/v1/collections/subscriptions \
  --header 'Authorization: Bearer <token>'

{
  "subscriptions": [
    {
      "subscription_id": "<string>",
      "collection_id": "<string>",
      "user_id": "<string>",
      "price_microcoins": 123,
      "price_coins": 123,
      "started_at": 123,
      "expires_at": 123
    }
  ]
}