API to update user preferences across all channels.
Pass as Bearer <API_KEY>. Get API Key from SuprSend dashboard Developers -> API Keys section.
distinct_id of the user whose preferences should be fetched
to fetch user preferences for a particular tenant
Use this to update channel level user preferences. Set is_restricted - true if the channel is opted_out by the user. This will only send critical notifications to the user which can't be opted out
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