Anybody know how to change and detect Power BI Embedded token expiration.

I'm using Power BI Embedded with new Power BI Service (Not Power BI Workspace Collections). And I'm just using the "App owns data" approach for user to embed reports in web browser. We know embedded token has an expiration time.  See: https://msdn.microsoft.com/en-us/library/mt784614.aspx 

So my question is: Is there a way to set expiration time ?(Power BI Workspace Collections API has this parameter). If not, I'm a single page application, how can I detect the embedded token has expired ?

Sincerely.

Looking forward to your reply.