curl --location 'https://prod.your-api-server.com/reader-hub/v2/mailinglists/c0a550d2-1bc6-4011-8f5a-cc42212dd1da/subscriptions' \
--header 'x-api-key: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"subscribers": [
{
"email": "alice@example.com",
"name": "Alice"
}
]
}'{
"data": {
"id": "uuid (subscription_id)",
"reader_id": "uuid"
}
}