STK Push Response:
Array
(
    [MerchantRequestID] => cc89-4fd7-9ae7-fb06bb6993613483899
    [CheckoutRequestID] => ws_CO_30052026122644542703177196
    [ResponseCode] => 0
    [ResponseDescription] => Success. Request accepted for processing
    [CustomerMessage] => Success. Request accepted for processing
)

Loan ID: 88