{
	"bsonType": "object",
	"required": [
		"user_id"
	],
	"properties": {
		"_id": {
			"description": "ID，系统自动生成"
		},
		"user_id": {
			"bsonType": "string",
			"description": "用户id，参考uni-id-users表"
		},
		"ua": {
			"bsonType": "string",
			"description": "userAgent"
		},
		"uuid": {
			"bsonType": "string",
			"description": "设备唯一标识(需要加密存储)"
		},
		"os_name": {
			"bsonType": "string",
			"description": "ios|android|windows|mac|linux "
		},
		"os_version": {
			"bsonType": "string",
			"description": "操作系统版本号 "
		},
		"os_language": {
			"bsonType": "string",
			"description": "操作系统语言 "
		},
		"os_theme": {
			"bsonType": "string",
			"description": "操作系统主题 light|dark"
		},
		"vendor": {
			"bsonType": "string",
			"description": "设备厂商"
		},
		"push_clientid": {
			"bsonType": "string",
			"description": "推送设备客户端标识"
		},
		"imei": {
			"bsonType": "string",
			"description": "国际移动设备识别码IMEI(International Mobile Equipment Identity)"
		},
		"oaid": {
			"bsonType": "string",
			"description": "移动智能设备标识公共服务平台提供的匿名设备标识符(OAID)"
		},
		"idfa": {
			"bsonType": "string",
			"description": "iOS平台配置应用使用广告标识(IDFA)"
		},
		"model": {
			"bsonType": "string",
			"description": "设备型号"
		},
		"platform": {
			"bsonType": "string",
			"description": "平台类型"
		},
		"create_date": {
			"bsonType": "timestamp",
			"description": "创建时间",
			"forceDefaultValue": {
				"$env": "now"
			}
		},
		"last_active_date": {
			"bsonType": "timestamp",
			"description": "最后登录时间"
		},
		"last_active_ip": {
			"bsonType": "string",
			"description": "最后登录IP"
		}
	},
	"version": "0.0.1"
}