{
    "type": "record",
    "name": "adserverInstall",
    "separatorChar": "\t",
    "fields": [
        {
            "name": "device_id",
            "type": "string",
            "doc": "device id, gaid or idfa"
        },
        {
            "name": "device_type",
            "type": "string",
            "doc": "device type"
        },
        {
            "name": "platform",
            "type": "string",
            "doc": "platform"
        },
        {
            "name": "package_name",
            "type": "string",
            "doc": "package_name"
        }
    ]
}