Out-of-band control messages for the connect protocol. Blocking request-response control messages need to be handled out-of-band to resolve the possibility of dedlocks in the client sequence.
base64 encoded connect protobuf Pack
processed as control messages.
As an inline message, these would be sent to the control id.
base64 encoded connect Pack
resulting from processing the control messages.
As an inline message, this is what would be sent from the control id after processing the control messages.