username:password
Authorization: Basic *****************
{ "ZIPFileBase64": "string", "TemplateUUID": "dfc7b13e-5bce-4b94-9ced-d9f25bdcb9e2" }
{ "UUID": "f50af7e0-0dd5-4361-ab96-2e04f7bc7e30", "InvoiceNumber": "string" }