{"type":"http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/","title":"Invalid Resource","status":400,"detail":"The resource submitted could not be validated. For field-specific details, see the 'errors' array.","instance":"cad416f9-d8fe-429a-9707-36d018151c9a","errors":[{"field":"email_address","message":"This value should not be blank."}]}