How to detect zstd compression?

I am currently working on a python application, that works with facebook api’s. As we all know, facebook loves their own technology and is working with zstd for data compression.

The problem: facebook is returning either a uncompressed response with normal json or if the response is longer, it is responding with a zstd compressed json.

My current code is something like this:

import zstd
import json


def handle_response(response)
    json = None
    try:
        json = json.loads(zstd.decompress(response.content))
    except:
        json = json.loads(response.text)

    return json

I am currently wondering, if there is a more clean way to do this and even detect zstd.