@type t() :: %GameServer.Payments.Purchase{
  __meta__: term(),
  amount: term(),
  currency: term(),
  entitlements: term(),
  environment: term(),
  expires_at: term(),
  id: term(),
  inserted_at: term(),
  metadata: term(),
  order_id: term(),
  product: term(),
  product_id: term(),
  provider: term(),
  provider_original_transaction_id: term(),
  provider_product: term(),
  provider_product_id: term(),
  provider_transaction_id: term(),
  purchased_at: term(),
  quantity: term(),
  raw_provider_payload: term(),
  revoked_at: term(),
  status: term(),
  updated_at: term(),
  user: term(),
  user_id: term(),
  wallet_ledger_entries: term()
}