{
    "instance": {
        "databases": [
            {
                "character_set": "utf8",
                "collate": "utf8_general_ci",
                "name": "sampledb"
            },
            {
                "name": "nextround"
            }
        ],
        "flavorRef": "https://openstack.example.com/v1.0/1234/flavors/1",
        "name": "json_rack_instance",
        "users": [
            {
                "databases": [
                    {
                        "name": "sampledb"
                    }
                ],
                "name": "demouser",
                "password": "secretsecret"
            }
        ],
        "volume": {
            "size": 2
        }
    }
}