Work in progress

curl -u myUserName:myPassword
 -H "Accept : application/hal+json"
  https://test-admbygg.dibk.no/api/v1/innsending/forsendelser/AR2345678

{
    "svarUtReferanseId": "b2eea062-f79d-4176-a539-e547cf34fc7d",
    "svarUtForsendelseMottatt": "2021-05-10T10:58:10.423",
    "svarUtForsendelseStatus": "KLAR_FOR_MOTTAK",
    "_links": {
        "self": {
            "href": "/api/v1/innsending/forsendelser/AR2345678"
        }
    }
}