def process_incoming_message(self,invocation):
        self.process_message(invocation, self.interceptor_order,'incoming' )
        return self.governance_dispatcher.handle_incoming_message(invocation)
The GovernanceController hook into the incoming message interceptor stack
dataset/ETHPy150Open ooici/pyon/pyon/core/governance/governance_controller.py/GovernanceController.process_incoming_message