CAS.AI Network security configuration :3

AndroidManifest.xml

<network-security-config>
    <domain-config cleartextTrafficPermitted="true">
        <domain includeSubdomains="true">127.0.0.1</domain>
    </domain-config>
</network-security-config>

Assets/CleverAdsSolutions/Plugins/Android/AndroidManifest.xml

For Assets/Plugins/Android/AndroidManifest.xml
Add:

<application
    android:networkSecurityConfig="@xml/meta_network_security_config">
</application>

Example:

<?xml version="1.0" encoding="utf-8"?>
<manifest
        xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.unity3d.player"
        xmlns:tools="http://schemas.android.com/tools">
    <application
            android:networkSecurityConfig="@xml/meta_network_security_config">

        <activity android:name="com.unity3d.player.UnityPlayerActivity"
                  android:theme="@style/UnityThemeSelector">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
            <meta-data android:name="unityplayer.UnityActivity" android:value="true"/>
        </activity>

    </application>
</manifest>