Using the Entity Convert Library

EntityConvert.php

<?php

use Drupal\node\Entity\Node;

// Include the library.
use DrupalUtils\EntityConvert\EntityConvert;
 
// Load instance of node
$node = Node::load(1);
 
// Creating a new Instance.
$entityConvert = new EntityConvert();
 
// Pass on the Node object to get the parsed value as an array.
$parsedNode = $entityConvert->toArray($node, false);

// Pass on the Node object to get the parsed value as an object.
$parsedNode = $entityConvert->toObject($node, false);