http://docs.oasis-open.org/wsn/bw-2/NotificationProducer/SubscribeRequest
382dcdc7-8e84-9fdc-8443-48fd83bca938
http://localhost:8080/services/initiatingGateway/query
https://NotificationRecipientServer/xdsBnotification
ihe:FolderMetadata
'st3498702^^^&1.3.6.1.4.1.21367.2005.3.7&ISO'
('FolderCodeExample^^folderCodeListCodingScheme')
2010-05-31T00:00:00.00000Z