Process Efento COAP payloads in Node-Red
Requires node-red-contrib-coap and node-red-contrib-protobuf Find the protobuf files here https://github.com/efento/Proto-files
For node-red-contrib-coap there is a small modification needed so that the payload and response are not formatted into strings. Neceassary changes can be found at: https://github.com/JohnnyPicnic/node-red-contrib-coap/blob/main/coap/coap-in.js