Aqua Data Studio 15.0.0-dev-258 .
Platform : Windows 7
MongoDB : 2.6.

1. Make a connection to MongoDB and execute below given script in MongoShell.
   
   use admin
   db.getSiblingDB("admin").runCommand( { createUser: "accountAdmin01",
   pwd: "password",
   customData: { employeeId: 12345 },
   roles: [
   { role: "clusterAdmin", db: "admin" },
   { role: "readAnyDatabase", db: "admin" },
   "readWrite"
   ],
   writeConcern: { w: "majority" , wtimeout: 5000 }
   } )
    

2. User will be created in admin DB.

3. Go to Users under admin DB tree node, right click on it and select User Properties option.

4. You will observe that now role check boxes will be checked, but we have assigned roles to user.