POST /v1.0/1234/instances/1c59bdb8-03b6-4079-a7db-ba92d23a98b3/users HTTP/1.1
User-Agent: python-example-client
Host: ord.databases.api.rackspacecloud.com
X-Auth-Token: bb64d788-2dec-4a6b-a670-7151d108cacf
Accept: application/json
Content-Type: application/json

{
    "users": [
        {
            "databases": [
                {
                    "name": "databaseA"
                }
            ], 
            "name": "dbuser3", 
            "password": "password"
        }, 
        {
            "databases": [
                {
                    "name": "databaseB"
                }, 
                {
                    "name": "databaseC"
                }
            ], 
            "name": "dbuser4", 
            "password": "password"
        }
    ]
}