Render Graphite API specifying output in bytes

Hello, I am trying to export data to csv, the format is something like this:

http://IP:PORT/render/?target=alias(summarize(sumSeries(mydata),‘1d’,‘sum’,false),‘Data_in_bytes’)&from=midnight-1day&until=midnight-1h&tz=UTC&format=csv

but the type unit of the value is “none” . Is there any way to get it as type unit= “byte” just modifying the above link?

Thanks in advance