JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.2.min.js"></script>
<div class="seo" data-seo-controller='{"values":{"child_count":"0","type":"tables"},"title":{"field":"\u00e5\u00e4\u00f6 llasdas","template":"This page has {{child_count}} {{type}}!","prefix":"","suffix":" - Products","fallback":"\u00e5\u00e4\u00f6 llasdas","full":"\u00e5\u00e4\u00f6 llasdas - Products","full-replaced":"\u00e5\u00e4\u00f6 llasdas - Products"},"description":{"field":"rwerwe wer &quot; &#039; ewrerte fsd :&#039;","fallback":"rwerwe wer &quot; &#039; ewrerte fsd :&#039;","full":"rwerwe wer &quot; &#039; ewrerte fsd :&#039;","full-replaced":"rwerwe wer &quot; &#039; ewrerte fsd :&#039;","template":"","prefix":"","suffix":"","limit":155},"url":{"edit":"http:\/\/localhost\/seo\/panel\/pages\/saved-value\/url","preview":"seo\/saved-value"}}'>

JavaScript

$( document ).ready(function() {
   var json = $('.seo').attr('data-seo-controller');
   controller = jQuery.parseJSON( json );
   console.log(controller);
});