array(3) {
  ["pid"]=>
  string(9) "bidswitch"
  ["a_uid"]=>
  string(32) "5401aff42c46a3f815d5fa65c3f66d1f"
  ["p_uid"]=>
  string(36) "f8ba6ca9-775c-4be5-b86d-3c11b6bcf2e8"
}