curl -X POST 'baseUrl' -d '{"SaleToPOIRequest":{"MessageHeader":{"ProtocolVersion":"3.0","MessageClass":"Service","MessageCategory":"CardAcquisition","MessageType":"Request","SaleID":"saleId","ServiceID":"serviceId","POIID":"poiId"},"CardAcquisitionRequest":{"SaleData":{"SaleTransactionID":{"TransactionID":"$timestamp","TimeStamp":"$isoTimestamp"},"SaleToPOIData":"saleToPoiData"},"CardAcquisitionTransaction":{}}}}'