curl --request POST \
  --url https://api.arklow.io/v1/nack \
  --header 'Content-Type: application/json' \
  --header 'x-arklow-auth: <api-key>' \
  --data '
{
  "action_record_id": "<string>",
  "attempt": 1,
  "terms": {
    "retry_at": 1,
    "retry": true
  }
}
'

{
  "data": {
    "status": "ok"
  }
}