post
POST /einvoice/Send/Xml HTTP/1.1
Host: 
Authorization: Bearer JWT
Content-Type: multipart/form-data
Accept: */*
Content-Length: 17

{
  "file": "binary"
}
{
  "UUID": "296570c5-5a71-45e6-b8a2-1a20f34d9957",
  "InvoiceNumber": "EFT2025000000001"
}