username:password
Authorization: Basic *****************
{
"UUID": "string",
"IssueDate": "2019-08-24T14:15:22Z",
"InvoiceNumber": "string",
"PayableAmount": 0,
"SenderTaxNumber": "string",
"SenderName": "string",
"CurrencyCode": "string",
"AnswerCode": "unknown"
}