Sending information from Node Red to Webcore

Yes, I know....strange question.

I'm slowly learning Node Red, but one thing I really love about it is the ability to determine which Echo received a command. I've already created a flow that allows me to say "Turn on/off fan" in every room, and the fan associated with each Echo will turn the appropriate fan on/off.

I used to be able to do this with Hubitat/Webcore/EchoSpeaks and the wasLastSpokenToDevice setting, but Amazon disabled it. I have some complicated pistons that I'd like to route to the appropriate Echo, and I was just curious if there was a way to have Node Red determine the Echo spoken to, and somehow port this information back to WC...at least until I can recreate the pistons as flows. Is this a pipe dream?