Read QR code from invoice

{
  "qr_info": {
    "iban": "<string>",
    "creditor": {
      "name": "<string>",
      "address": "<string>",
      "zip": "<string>",
      "city": "<string>",
      "country": "<string>"
    },
    "amount": 123,
    "currency": "<string>",
    "reference": "<string>",
    "message": "<string>"
  }
}