curl --request POST \
  --url https://app.bentonow.com/api/v1/fetch/subscribers/ \
  --header 'Authorization: Basic XXXXXXX' \
  --header 'Content-Type: application/json' \
  --data '{"first_name":"Alex","last_name":"King","email":"alexking@verygoodplugins.com","address":"Address 1","test_field":"Greenfield","site_uuid":"9d1c5bf9009cbf603a871a82abe966c3"}'