SampleUniRapidJson This sample uses UniRapidJson(https://github.com/KKoga/UniRapidJson). The script file is Assets/JsonSample.cs. Why and How for UniRapidJson https://github.com/KKoga/UniRapidJson/wiki How To Update UniRapidJson Download UniRapidJson and build for target platforms. Execute generate_unitypackage.py that generates unitypackage. It requires python3. Pickup UniRapidJson.unitypackage from dist/ folder. Import UnityPackage to SampleUniRapidJson/Assets/exlibs. Tips RapidJson has Generator/Parser functions. UniRapidJson has only Parser function.