better rpc error logging

    except json.JSONDecodeError:

        logger.warning("could not decode json request")

        return HttpResponse("Bad Request", status=400)

    except KeyError:

    except KeyError as err:

        logger.warning("client data dict key error")

        logger.exception(err)

        return HttpResponse("Bad Request", status=400)

    except TypeError:

    except TypeError as err:

        logger.warning("client data type error")

        logger.exception(err)

        return HttpResponse("Bad Request", status=400)

    except ValueError:

    except ValueError as err:

        logger.warning("client data warning error")

        logger.exception(err)

        return HttpResponse("Bad Request", status=400)

    except ServiceException as e:

        return JsonResponse(