SignerSigningAreaInfo

{
    "roleIndex": 0,
    "fixedLocation": true,
    "signingAreaInfos": [
        {
            "addSealDate": true,
            "datePattern": "DAY1",
            "elementLocation": {
                "width": 1,
                "height": 1,
                "page": 0,
                "x": 0,
                "y": 0
            }
        }
    ]
}