<?php
$jsonAsString = '{"Email": "username@domainname.tld"}';
// Now $jsonObj is a stdClass Object which can be accessed as below
echo $jsonObj -> Email;
?>
PD9waHAKCiRqc29uQXNTdHJpbmcgPSAneyJFbWFpbCI6ICJ1c2VybmFtZUBkb21haW5uYW1lLnRsZCJ9JzsKCiRqc29uT2JqID0ganNvbl9kZWNvZGUoJGpzb25Bc1N0cmluZyk7CgovLyBOb3cgJGpzb25PYmogaXMgYSBzdGRDbGFzcyBPYmplY3Qgd2hpY2ggY2FuIGJlIGFjY2Vzc2VkIGFzIGJlbG93CgplY2hvICRqc29uT2JqIC0+IEVtYWlsOwoKPz4=