curl --request PUT \
  --url https://api.eflow.team/v1/networks/pixels/{pixelId} \
  --header 'Content-Type: application/json' \
  --header 'X-Eflow-Api-Key: <api-key>' \
  --data '
{
  "network_offer_id": 123,
  "pixel_status": "active",
  "pixel_type": "postback",
  "pixel_code": "<string>",
  "fire_on": "conversion",
  "network_affiliate_id": 123,
  "fire_on_event_id": 123
}
'

{
  "network_offer_pixel_id": 123,
  "network_id": 123,
  "network_offer_id": 123,
  "network_affiliate_id": 123,
  "pixel_status": "active",
  "pixel_type": "postback",
  "pixel_code": "<string>",
  "fire_on": "conversion",
  "fire_on_event_id": 123,
  "time_created": 123,
  "time_saved": 123,
  "relationship": {
    "offer": {},
    "affiliate": {}
  }
}