yes, it works, you can see it here:
https://www.uradmonitor.com/tools/dashboard-04/?open=13000225

However there are a few issues. You are currently sending:
1572331297> 13000225:01–[1572331292.39]
1572331297> 13000225:0B–[21]
1572331297> 13000225:10–[0x8]
1572331297> 13000225:0E–[1337]

01 is the timestamp, its parameter is the number of seconds since the detector started, so it is an integer number, you have some decimals there
0B is the CPM, value seems legit [21]
10 is the tube type, now this is not ok, it should be 8, not 0x8, if your tube is the SI3BG . See list here: https://github.com/radhoo/uradmonitor_kit1/blob/master/code/geiger/detectors.h
I suspect this is a mistake, as you are getting CPMs comparable to a SBM-20 tube.
0E is the version, “Elite” is nice, but I’d rather see a legit hardware version number there.

Other parameters to include:
https://github.com/radhoo/uradmonitor_kit1/blob/master/code/misc/expProtocol.h
You can consider the 0F which is the software version, 0A the battery voltage, etc.

All in one this a top notch job . Congrats!
Please find a few minutes to do a blog post on it , “GMC reporting to uRADMonitor network” or something like that. This is very useful information. Can you do it?