Since the update of the Core API with Commit: https://github.com/BrimeNotes/core/commit/8e2914c95a5ffa71e96f740374b0d56d6bdf3fbf the API now sends an Update response.  Handle these the way they should be handled. This might help. https://github.com/jwtk/jjwt
Since the update of the Core API with Commit: BrimeNotes/core@8e2914c the API now sends an Update response.

Handle these the way they should be handled.
This might help. https://github.com/jwtk/jjwt