curl --request PUT \
  --url https://api.mobilerun.ai/devices/{deviceId}/esim/apn \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "apnId": 123,
  "subId": 123
}
'

{
  "$schema": "<string>",
  "detail": "<string>",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "<string>",
  "status": 123,
  "title": "<string>",
  "type": "about:blank"
}