Create payment

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <pg_payment_id>0</pg_payment_id>
  <pg_merchant_id>0</pg_merchant_id>
  <pg_status>string</pg_status>
  <pg_order_id>string</pg_order_id>
  <pg_balance>0</pg_balance>
  <pg_card_hash>string</pg_card_hash>
  <pg_card_id>0</pg_card_id>
  <pg_payment_amount>0</pg_payment_amount>
  <pg_payment_date>2019-08-24T14:15:22Z</pg_payment_date>
  <pg_error_code>0</pg_error_code>
  <pg_error_description>string</pg_error_description>
  <pg_salt>string</pg_salt>
  <pg_sig>string</pg_sig>
</root>