Rootobject rootobject = new Rootobject
            {
                addUser = new AddUser
                {
                    accountEnabled = false,
                    creationType = "LocalAccount",
                    displayName = "TestClassUser",

                    passwordProfile = new passwordProfile
                    {
                        password = "TestClassUser",
                        forceChangePasswordNextLogin = false,
                    },

                    signInNames = new signInName[]
                    {
                    }
                }
            };