JSON string with structure
{
"document": {
"description": "string",
"dateExpire": 0,
"certificateType": 0,
"coverage": 0,
"preview": 0,
"checksumDocument": "string",
"annotationParameters": [{
"annotationText": "string",
"fontName": "string",
"fontSize": "integer",
"fontColor": "string",
"axisX": "integer",
"axisY": "integer",
"page": "integer"
}]
},
"signInfo": {
"type": "string",
"algorithm": "string"
},
"BIOrequired": 0,
"urlCallback": "string",
"vendorNumber": "string",
"users": [{
"identificationNumber": "string",
"country": "string",
"email": "string",
"phone": "string",
"automatedSignCertID": "string",
"automatedSignSealID": "string",
"employee": 0}] ,
"publicKey": "string"
}
