Hi guys,  
We would like to store the user's GUID (after user creation through web services) to be able to query the user afterwards.  
How to interpret the value returned in SPML answer ? It's not in the same format than in AD and it seems not possible to use it to lookup the user  
*  
F4c9c6PjOUKxMyIfXuYoNw==  
*  
Thanks for your help  
Regards