Hi @tonibco in the sketch you mentioned you can find the definition of HEX bytes that you have sent. These HEX values corespond to the base64 decoded HEX values.

device decoding:

“sense”: [
{
“asset”: “my_temperature”,
“value”: {
“byte”: 0,
“bytelength”: 2,
“type”: “integer”,
“calculation”: “val / 100”
}

So the first HEX number is the temperature * 100