application/ld json url

Hi,

Is it normal that in looking at the page source, the script includes urls like http:\/\/ ? see below.
Thanks,

Frederic

<script type=”application/ld+json”>{“@context”:”http:\/\/schema.org”,”@type”:”BlogPosting”,”mainEntityOfPage”:”http:\/\/www.xxx.com\/dont-just-visit-rome-live-rome\/”,”publisher”:{“@type”:”Organization”,”name”:”mTrip”,”logo”:{“@type”:”ImageObject”,”url”:”http:\/\/www.xxx.com\/wp-content\/uploads\/2015\/08\/cropped-m-icon-32×32.png”,”height”:32,”width”:32}},”headline”:”Don\u2019t just visit Rome, live Rome”,”datePublished”:”2012-02-27T16:30:26+00:00″,”dateModified”:”2015-03-25T00:35:21+00:00″,”author”:{“@type”:”Person”,”name”:”xxx”}}</script>

https://wordpress.org/plugins/amp/