> db.getUsers()
[
        {
                "_id" : "noc.noc",
                "user" : "noc",
                "db" : "noc",
                "roles" : [
                        {
                                "role" : "readWrite",
                                "db" : "noc"
                        },
                        {
                                "role" : "dbAdmin",
                                "db" : "noc"
                        }
                ]
        }
]
>