Example response

{
  "data": {
    "items": [
      {
        "_kip": "64656661756c74"
      }
    ],
    "params": {
      "64656661756c74": {
        "pseudonymize-action": {
          "key": "hSCZDT/bGdP3HBvOtK3JwfOj8vs667nXDxsTAN2YsDQ="
        }
      }
    }
  }
}