array(3) {
  ["relation"]=>
  string(3) "AND"
  [0]=>
  array(3) {
    ["taxonomy"]=>
    string(13) "source_domain"
    ["field"]=>
    string(4) "slug"
    ["terms"]=>
    string(17) "insidetechie-blog"
  }
  [1]=>
  array(3) {
    ["taxonomy"]=>
    string(16) "source_subdomain"
    ["field"]=>
    string(4) "slug"
    ["terms"]=>
    string(2) "cn"
  }
}
domain = insidetechie-blog
subdomain = cn