curl --request GET \
  --url https://api.eflow.team/v1/affiliates/users/{userId} \
  --header 'X-Eflow-Api-Key: <api-key>'

{
  "network_affiliate_user_id": 123,
  "email": "<string>",
  "first_name": "<string>",
  "last_name": "<string>",
  "status": "<string>"
}