Http request node => Invalid message body, was specified to be CBOR but could not decode message (Failed to parse)

If I change the content-type from application/cbor into application/octet-stream then the test program is working as expected (ie. the buffer send is also received as a buffer).

Moreover this change also fixed the issue when sending data to edge impulse (http://ingestion.edgeimpulse.com/api/training/data).