curl -X POST 'baseUrl' -d '{"SaleToPOIRequest":{"MessageHeader":{"ProtocolVersion":"3.0","MessageClass":"Device","MessageCategory":"Display","MessageType":"Request","SaleID":"saleId","ServiceID":"serviceId","POIID":"poiId"},"DisplayRequest":{"DisplayOutput":[{"Device":"CustomerDisplay","InfoQualify":"Display","OutputContent":{"OutputFormat":"MessageRef","PredefinedContent":{"ReferenceID":"Idle"}}}]}}}'