[Python] How do I type annotate JSON data in Python?

I am adding type annotations to a lot of code to make it clear to other devs what my functions and methods do. How would I type annotate a function that takes JSON data in as an argument, and returns JSON data?

(very simplified version)

def func(json_data):
return json_data


what I want to do but with JSON instead of int:

def add_nums(a: int, b: int) -> int:
return a+b

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