chromium/chromeos/components/test/data/onc/valid_cellular_with_admin_apns.onc

{
  "GlobalNetworkConfiguration": {
    "AllowAPNModification": true,
    "AllowCellularHotspot": true,
    "AllowCellularSimLock": true,
    "AllowOnlyPolicyCellularNetworks": false,
    "AllowOnlyPolicyNetworksToAutoconnect": false
  },
  "AdminAPNList": [
    {
        "Id": "admin-apn-id-x",
        "AccessPointName": "test-apn-admin-x",
        "Authentication": "",
        "Username": "test-username-x",
        "Password": "test-password-x"
    },
    {
        "Id": "admin-apn-id-y",
        "AccessPointName": "test-apn-admin-y",
        "Authentication": "",
        "Username": "test-username-y",
        "Password": "test-password-y"
    },
    {
        "Id": "admin-apn-id-z",
        "AccessPointName": "test-apn-admin-z",
        "Authentication": "",
        "Username": "test-username-z",
        "Password": "test-password-z"
    },
  ],
  "NetworkConfigurations": []
}