curl --request GET \
  --url https://api.scalev.com/v3/variants/{id}/customers \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    "<unknown>"
  ],
  "is_paginated": true,
  "has_next": true,
  "has_previous": true,
  "next_cursor": "<string>",
  "previous_cursor": "<string>",
  "page_size": 123
}