The session key does not need to be related to your actual public key at all. All you need to do is log in, get your keys, creature session keys to get/mutate date etc encrypted in a way that the message gets to the client managers of that account and go from there. So no need at all to expose your public key at all.
In précis Log in with any key pair, connect to the network, relay a message to a group which is your client managers and give them the encrypted instruction to do X.