result = {'success': False, 'rows': [], 'total': 0}
try:
	mgr = ProductManager()
	r = await mgr.get_usage_logs(
		filters={
			'product_id': params_kw.get('product_id', ''),
			'subscription_id': params_kw.get('subscription_id', ''),
			'user_id': params_kw.get('user_id', ''),
			'supplier_org_id': params_kw.get('supplier_org_id', ''),
			'billing_mode': params_kw.get('billing_mode', ''),
			'start_date': params_kw.get('start_date', ''),
			'end_date': params_kw.get('end_date', '')
		},
		page=params_kw.get('page', 1),
		page_size=params_kw.get('page_size', 50)
	)
	result = r
except Exception as e:
	result['error'] = str(e)
	debug(format_exc())
return json.dumps(result, ensure_ascii=False, default=str)