new_contents: from jwt import (
      jwk_from_dict,
      jwk_from_pem
  )
  
  
  def get_public_key():
      with open('/run/secrets/public_key', 'rb') as fh:
          return jwk_from_dict(fh.read())
  
  
  def get_private_key():
      with open('/run/secrets/private_key', 'rb') as fh:
          return jwk_from_pem(fh.read())
  
subject: add logic to fetch keys