Api-User: yesmail Content-Location: https://api.yesmail.com/v2/subscribers/jerryg@dead.com Content-Type: application/json Date: 2018-03-01T14:56:01Z Expires: 2018-03-01T14:56:01Z Last-Modified: 2018-02-01T12:25:15Z Link: ; rel="subscriptions"