403 Responses are not serialized correctly on the export_async endpoint

[sentryk8sonalabsorg]

Sentry Issue: ONADATA-6K

TypeError: Object of type Response is not JSON serializable
(7 additional frame(s) were not displayed)
...
  File "rest_framework/response.py", line 70, in rendered_content
    ret = renderer.render(self.data, accepted_media_type, context)
  File "rest_framework/renderers.py", line 100, in render
    ret = json.dumps(
  File "rest_framework/utils/json.py", line 25, in dumps
    return json.dumps(*args, **kwargs)
  File "rest_framework/utils/encoders.py", line 67, in default
    return super().default(obj)

TypeError: Object of type Response is not JSON serializable