sample body which needs to be passed for creating user, as on documentation its just mentioned
whats the content of <l7:user> Element ?
a sample payload to create user via /restman
###create userPOST https://<your gateway>:9443/restman/1.0/usersContent-Type:application/xmlbody:<l7:User providerId="0000000000000000fffffffffffffffe" xmlns:l7="http://ns.l7tech.com/2010/04/gateway-management"><l7:Login>mark</l7:Login><l7:Password>7layer</l7:Password><l7:FirstName/><l7:LastName/><l7:Email/><l7:Properties><l7:Property key="accountExpiration"><l7:LongValue>-1</l7:LongValue></l7:Property><l7:Property key="enabled"><l7:BooleanValue>true</l7:BooleanValue></l7:Property><l7:Property key="name"><l7:StringValue>mark</l7:StringValue></l7:Property></l7:Properties></l7:User>