curl --request POST \
  --url https://api.arklow.io/v1/ingress \
  --header 'Content-Type: application/json' \
  --header 'x-arklow-auth: <api-key>' \
  --data '
{
  "variant": "<string>",
  "payload": "<unknown>",
  "metadata": "<unknown>",
  "tags": {},
  "version": 2
}
'

{
  "data": {
    "a_id": "<string>",
    "a_def_id": "<string>",
    "queue_s": "<string>",
    "a_va": "<string>",
    "a_ve": "<string>"
  }
}