Passing in arguments to store from async actions is painful to unpack

Here is my psuedo code example of how I have to unpack my arguments passed to the store method callbacks for async actions:
https://gist.github.com/JAStanton/a89844d150ef5b0f66b9

I feel like I'm doing something wrong, why do I have to dive into actionArgs for the arguments specifically in handleFetching / Begin callback?

(This is psuedo code)