array(4) {
  ["language"]=>
  string(2) "ru"
  ["city_id"]=>
  array(1) {
    [0]=>
    string(1) "2"
  }
  ["artist_id"]=>
  array(1) {
    [0]=>
    string(3) "515"
  }
  ["route"]=>
  string(15) "activity/artist"
}