I used example parameters, but it gives me an Error 501
https://api.dynu.com/v2/dns/{id}/record/{dnsRecordId} Update an existing DNS record for DNS service.
{
"nodeName": "mail",
"recordType": "A",
"ttl": 300,
"state": true,
"group": "",
"ipv4Address": "204.25.79.214"
}

please guide me.
I have also attached the photo
Thanks