JSON Code Validating

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Hello, I intend to add a Mobicred instalment widget on dawn theme using the HTML code below and the file cannot update due to invalid JSON in tag 'schema'. Your help will be highly appreciated. Here's the code: 

<div id="mobicred-widget"></div> <script src="[mobicred.co.za/widget.js](https://mobicred.co.za/widget.js)"></script> <script> [MobicredWidget.init](http://MobicredWidget.init)({ amount: 1000, // Replace with the actual amount element Id: 'mobicred-widget', text: 'Pay with Mobicred', font: 'Arial', color: '#000000', layout: 'horizontal' }); </script>

Thank you.