Extracting value from MQTT payloads

I have a blue Iris MQTT topic that sendsout recognized face name
Topic:
BlueIris/Facename

Message 0 received on BlueIris/Facename at 7:02 PM:
Doorbell,person:80%,Jason:76%

I need the first part(camera name), and the last part(recognized person: Jason).

Need some help with extracting these values from the payload.

I would want to trigger an automation, when a face recognized on doorbell cam, do x,y,z…