project.php:1 uncaught syntaxerror: unexpected token r in json at position 0 at json.parse (<anonymous>) at object.success in jqeury code example

Example: Uncaught (in promise) SyntaxError: Unexpected token O in JSON at position 0

var stringified = JSON.stringify(data);
var parsedObj = JSON.parse(stringified);
 
console.log(parsedObj);