样例说明

{
	"ttl": 30,// 单位min，30或720
	"uiContent": {
		"logo": "",
		"title": "尊敬的住客",
		"titleEn ": "Dear Passenger",
		"subTitle": "您好，欢迎入住，我们将竭诚为您服务。",
		"subTitleEn": "Welcome to XXXX hotle.",
		"background": ""
	}
}

{
	"uiContent": {
		"title": "尊敬的住客"
	}
}