How do I use unserialize method instead of json_decode, by inject vendor/magento/framework/Serialize/Serializer/
foreach ($results as $result) {
$incrementId = $result['increment_id'];
$additionalInformation = $result['additional_information'];
$additionalInformationArr = json_decode($additionalInformation);
$addressVerificationJson = $additionalInformationArr->shipping_address_verification;
$addressVerificationArr = json_decode($addressVerificationJson);
$postalCode = $addressVerificationArr->postal_code;
}