Someone

  ["Address Line #1"]=>
  array(5) {
    [0]=>
    string(5) "Alnum"
    ["fields"]=>
    string(8) "cadd[US]"
    ["presence"]=>
    string(8) "required"
    ["messages"]=>
    string(34) "You must provide a mailing address"
    ["allowEmpty"]=>
    bool(false)
  }