gistfile1.txt

{
    "application_id": "YOUR_APP_ID",
    "src": "http://www.iptc.org/std-dev/photometadata/examples/microdataPages/demo.jpg",
    "functions": [
        {
            "name": "resize_to_fit",
            "params": {
                "width": 400
            },
            "save": {
                "save_metadata" : true,
                "image_identifier": "ORIG"
            },
            "functions": [
                {
                    "name": "imagga_smart_crop",
                    "params": {
                        "resolution": "150x150",
                        "no_scaling": 0
                    },
                    "save": {
                        "save_metadata" : true,
                        "image_identifier": "MY_CLIENT_ID"
                    }
                }
            ]
        }
    ]
}