For code review

Everything in order, gl front end :) @Joris + @Lorenzo

Wow! (with Joris + Lorenzo)

In case you want to edit stuff

Most of this code was taken straight from the schema service. No tests
were written because this is entirely dependent on external
dependencies.

Does not work with RMQ and only single node requests are working for now

Together with Arjan.

added handleMessageFunc function type