{"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":"93787ce0-ed48-3962-0ca2-ffb00d7f8827","errors":[{"field":"email_address","message":"This value should not be blank."},{"field":"email_address","message":"This value should be of type string."}]}