http://docs.oasis-open.org/wsn/bw-2/NotificationConsumer/Notify ^$^$^_WSA_TARGET_^$^$^^$^$^_REFERENCE_PARAMS_^$^$^ ^$^$^_ESM_SUBS_SVC_URL_^$^$^ ^$^$^_SUBSCRIPTION_ID_^$^$^ muws-ev:OperationalStatusCapability ^$^$^_EVENT_UUID_^$^$^ ^$^$^_SRC_SVC_URL_^$^$^ ^$^$^_ESM_SUBS_SVC_URL_^$^$^ ^$^$^_NOW_TIMESTAMP_^$^$^ Unavailable Available