{ "namespace": "mobvista.dmp.datasource.dm.bean", "type": "record", "name": "Install", "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": "install_list", "type": "string", "doc": "安装列表, json array" } ] }