Required Fields for Processing an Account Validation

processingInformation.validationLevel: The value for this field must be set to
1
.
paymentInformation.bank.routingNumber: The value for this field must be the routing number for your customer’s bank. This field accepts only non-negative integers.
paymentInformation.bank.account.number: The value for this field must be the bank account number for your customer's bank account. This field accepts only non-negative integers.