Can rasa-x perform authentication with an additional JWT token authentication server?

There are few information about authentication functions of rasa x in the rasa docs. I saw that Authentication and Chat Token part in rasa x http api doc. It seems that rasa x only support itself to be the authentication server. All the tester of rasa x share only one token. Is it?
In my company, we have an authentication server to provide authentication services for all the applications. Can my rasa x make authentication by this server? To make every user of rasa x has his own JWT token and look for authentication from this server.