Required Fields for a Google Pay Authorization 
            
            
          
            Include these required fields to request a successful authorization.
- orderInformation.amountDetails.currency
 - orderInformation.amountDetails.totalAmount
 - orderInformation.billTo.address1
 - orderInformation.billTo.administrativeArea
 - orderInformation.billTo.country
 - orderInformation.billTo.email
 - orderInformation.billTo.firstName
 - orderInformation.billTo.lastName
 - orderInformation.billTo.locality
 - orderInformation.billTo.postalCode
 - paymentInformation.fluidData.value
 - Set to the string value generated from the full wallet response.
 - processingInformation.paymentSolution
 - Set to012.