YOur best bet is to implement MQTT to send the info across to Node-Red.
Having said that - you are far better off on the HA forum and asking them for the how to on this as your data is originating from there and there are a lot of knowledgeable people on that forum re MQTT interactions.
Once you get it into MQTT as a valid stream of data you can do anything you want with it in NR
Craig
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