添加当服务级属性变更时，服务事件通知给消费端

[chenwei113524]

Is your feature request related to a problem? Please describe. 目前当实例级属性变更时，实例事件会通知给消费端，不支持当服务级属性变更时，服务事件通知给消费端

Describe the solution you'd like 1、添加服务事件通知给消费端 2、修改返回值字段，支持服务结构体信息 Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

[tianxiaoliang]

为何需要服务级属性变更通知能力，请描述下User Story

[chenwei113524]

服务级属性是静态,实例级属性是动态,当实例级属性丢失时候,可以从服务级属性获取更新到实例级属性中

[tianxiaoliang]

https://baijiahao.baidu.com/s?id=1619617453081227011&wfr=spider&for=pc 请再提炼下，感谢 静态信息里的什么变了，实例属性为何丢了