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Entering Level 1 Node Payment Card ProcessingPayment Card ProcessingLeaving Level 1 Node Payment Card Processing
   Entering Level 2 Node Creating Payment Card TransactionsCreating Payment Card TransactionsLeaving Level 2 Node Creating Payment Card Transactions
   Entering Level 2 Node AuthorizationAuthorizationLeaving Level 2 Node Authorization
      Entering Level 3 Node Authorization HorizonAuthorization HorizonLeaving Level 3 Node Authorization Horizon
      Entering Level 3 Node PreauthorizationPreauthorizationLeaving Level 3 Node Preauthorization
      Entering Level 3 Node Address VerificationAddress VerificationLeaving Level 3 Node Address Verification
      Entering Level 3 Node Card Verification ValueCard Verification ValueLeaving Level 3 Node Card Verification Value
      Entering Level 3 Node PostauthorizationPostauthorizationLeaving Level 3 Node Postauthorization
   Entering Level 2 Node Merchant ID DeterminationMerchant ID DeterminationLeaving Level 2 Node Merchant ID Determination