如何在meteor中执行多重依赖REST API调用并将响应存储在MongoDB中？

I am newbie to Meteor and there is this requirement that i need to implement, On a Click of a button i need to get the data from the Rest API Store it to the DB and then show the same data on the UI. There are 2 server call i need to do, second call is dependent on the first call and will have parameter passed from the first call. I am newbie to Meteor and there is this require