Get json_encode() value from php in jquery

script.js

var data = {
		    		'action': 'update_resume_viewed',
		    		'post_id': post_id,
		    		'user_id': user_id,
		    		dataType : 'json',
		    	}
		    	jQuery.post(jobifySettings.ajaxurl, data, function(response) {
		    		console.log(response.success);
		    		console.log(response['success']);
		    		console.log(response);

		    	}, 'JSON');