Ivan, Thanks a lot ! 

Thanks a lot for your reply, I think I have signed payload by using jwt.encode(loginPayload, self.SKEY, algorithm="HS256") If this is not what you mean, do you mind to provide more guidance? Thanks a lot!

I'm trying to connect WORKFRONT using JWT way with PYTHON, I followed below guide but no luck, please help me out. Many thanks!!!Using JWT flow for custom OAuth 2 applications | Adobe Workfront Below is my code:  I don't see anything wrong but workfront returns below error: '{"statusCode":400,"error...