+<RSpec>
+ <request-context><sfa><user><hrn>plc.princeton.sapanb</hrn></user></sfa></request-context>
+ <match-context><argument><name>user-hrn</name><value>plc.princeton.sapanb</value></argument></match-context>
+ <target-context><argument><name>blacklist</name><value>plc.tp</value></argument></target-context>
+ <request>