Fixing XSOAR 8 API call body

[mdrobniu]

Fixing xsoar 8 APi call body. Looks like the format chagned. This is for latest 8.10

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• Documentation

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[mmhw]

Hi @contributor_user,
Thank you for your contribution!
Good work :)

This looks great.
Please add notes describing your changes to a new Release Notes file.

Thanks again