How to generate JWT in OIC to connect to third party REST endpoint

Summary

Need to connect to third party authentication service using JWT to get bearer token back for further accesses, can't find any option available in OIC to generate JWT

Content

Hello,

We've a requirement where in we need to connect to third party authentication service using JWT to get bearer token back for further accesses. 
The third party request authentication in the form of JWT token only and I can't find any option available in OIC to generate JWT.

We are on OIC 21.3.2

Any help really appreciated. 

Thanks & Regards,
Madhav

Version

21.3.2