{"type":"https://mailchimp.com/developer/marketing/docs/errors/","title":"Invalid Resource","status":400,"detail":"The resource submitted could not be validated. For field-specific details, see the 'errors' array.","instance":"3d022a1f-09fd-9a78-1e37-a2b71e422b26","errors":[{"field":"email_address","message":"This value should not be blank."},{"field":"email_address","message":"This value should be of type string."}]}