You can use JSON Object Manager package to read JSON object values, parse an array, and update JSON object values.
Here is a tutorial on how to use 'JSON Object Manager' package: https://developer.automationanywhere.com/blog/quicktip-using-the-json-object-manager-package
Here is a tutorial on how to use 'JSON Object Manager' package: https://developer.automationanywhere.com/blog/quicktip-using-the-json-object-manager-package