SP-API / /reports/2020-09-04/documents /compressionAlgorithm /GZIP

I’m trying to read the response file with /reports/2020-09-04/documents/ReportDocumentID123.
At response “compressionAlgorithm”: “GZIP” part comes.
Response like this.

{“payload”:{
“reportDocumentId”:“reportdoucmentidvalue”,
“compressionAlgorithm”:“GZIP”,
“encryptionDetails”:{
“standard”:“AES”,
“initializationVector”:“vectorvalue”,
“key”:“keyvalue”},
“url”:“fileurlvalue”}}

Then i try to download file from url.
As far as I see in java code, it decrypt response first and then decompress it.
inputStream = cryptoStreamFactory.newDecryptStream(inputStream);
closeThis = inputStream;

        if (compressionAlgorithm != null) {
            switch (compressionAlgorithm) {
                case GZIP:
                    inputStream = new GZIPInputStream(inputStream);
                    closeThis = inputStream;
            }
        }

But when I try to do this with c #, I get an “Found invalid data while” error.
Can you help me about this?