{"error":{"error_code":15,"error_msg":"Access denied: no access to call this method","request_params":[{"key":"v","value":"5.131"},{"key":"owner_id","value":"club215504826"},{"key":"from_group","value":"1"},{"key":"message","value":"Hello, world!"},{"key":"method","value":"wall.post"},{"key":"oauth","value":"1"}]}}