<wst:RequestSecurityToken xmlns:wst="http://docs.oasis-open.org/ws-sx/ws-trust/200512" Context="testcontext">
  <wst:TokenType>http://www.tokens.org/SpecialToken</wst:TokenType>
  <wst:RequestType>http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue</wst:RequestType>
</wst:RequestSecurityToken>