Python: extract all words in between CRs and create JSON

I'm quite new to Python but I'm trying to figure out how to parse the data from my NAD amp and generate a JSON from it.

Here's an example what I try to do:

Data: b'\rMain.AutoSense=On\r\rMain.AutoStandby=Off\r...'

JSON: {"Main.AutoSense": "On","Main.AutoStandby": "Off"...}

And here's some sample data that I've received from the amp: b'\rMain.AutoSense=On\r\rMain.AutoStandby=Off\r\rMain.Balance=0\r\rMain.Bass=7\r\rMain.Brightness=1\r\rMain.Filters=Full Range\r\rMain.Model=C368\r\rMain.Mute=Off\r\rMain.PreoutSub=Subwoofer\r\rMain.Source=2\r\rMain.Sources=8\r\rMain.SpeakerA=On\r\rMain.SpeakerB=On\r\rMain.ToneDefeat=Off\r\rMain.Treble=6\r\rMain.Version=V1.69\r\rMain.Volume=-20.0\r\rMain.VolumeDisplayMode=Decibel\r'

Could anyone assist me with this please?

Thank you

---

Update: OK, managed to get a bit further:

rs232_data = rs232_data.decode('UTF-8')
settings_list = findall('\r(.*?)\r', rs232_data)

for d in range(len(setting_list)):
    print(settings_list[d])

Output:
Main.AutoSense=On
Main.AutoStandby=Off
Main.Balance=0
Main.Bass=7
Main.Brightness=1
Main.Filters=Full Range
Main.Model=C368
Main.Mute=Off
Main.PreoutSub=Subwoofer

But I'm still missing the JSON part. Anyone can help me with this part?```

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