{
    "rebuild" : {
        "accessIPv4": "1.2.3.4",
        "accessIPv6": "80fe::",
        "imageRef": "70a599e0-31e7-49b7-b260-868f441e862b",
        "name": "foobar",
        "key_name": "new-key",
        "description": "description of foobar",
        "adminPass": "seekr3t",
        "metadata" : {
            "meta_var": "meta_val"
        },
        "user_data": "ZWNobyAiaGVsbG8gd29ybGQi"
    }
}