How to define text encryption in json API response?

Question

API

The API outputs this line:

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

D
The site publishes clear, readable information.
How to understand what encryption is used?
'accept-encoding': "gzip, deflate, br"
When I try to decrypt, I get this error.

zlib.decompress(response.text, 16+zlib.MAX_WBITS)
error: Error -3 while decompressing data: incorrect header check

Answer 1

Base64 + something extra.