Do you have any links explaining the subject authorization? I have recommended NATS for a project that got scrapped.
Docs: https://docs.nats.io/running-a-nats-service/configuration/se...
Example: https://natsbyexample.com/examples/auth/callout/java
Docs: https://docs.nats.io/running-a-nats-service/configuration/se...
Example: https://natsbyexample.com/examples/auth/callout/java