{
    "alg": "es256",
    "private_key": "es256_private.key",
    "sign_cert": "es256_certs.pem",
    "ta_url": "http://timestamp.digicert.com",
    
    "claim_generator": "IPTC testing with c2patool",
    "title": "IPTC test title",
    "assertions": [
        {
            "label": "stds.iptc",
            "data": {
                "@context" : "http://iptc.org/std/Iptc4xmpExt/2008-02-29/",
                "LocationCreated": { 
                  "City": "San Francisco"
                }
            }
        }
    ]
}