@type t() :: %Paypal.Subscription.Transaction{
  amount_with_breakdown: Paypal.Common.CurrencyValue.t() | nil,
  id: String.t() | nil,
  payer_email: String.t() | nil,
  payer_name: map() | nil,
  status: any() | nil,
  time: DateTime.t() | nil
}

Subscription transaction:

• id - Transaction ID.
• status - Transaction status (:completed, :declined, :partially_refunded, :pending, :refunded, :failed).
• amount_with_breakdown - Monetary amount with breakdown.
• payer_name - Map containing payer name (given_name, surname).
• payer_email - Payer email address.
• time - Date and time of the transaction.