curl --request PATCH \
  --url https://api.attio.com/v2/webhooks/{webhook_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": {
    "target_url": "https://example.com/webhook",
    "subscriptions": [
      {
        "event_type": "note.created",
        "filter": {
          "$or": [
            {
              "field": "<string>",
              "operator": "equals",
              "value": "<string>"
            }
          ]
        }
      }
    ]
  }
}
'

{
  "data": {
    "target_url": "https://example.com/webhook",
    "subscriptions": [
      {
        "event_type": "note.created",
        "filter": {
          "$or": [
            {
              "field": "<string>",
              "operator": "equals",
              "value": "<string>"
            }
          ]
        }
      }
    ],
    "id": {
      "workspace_id": "14beef7a-99f7-4534-a87e-70b564330a4c",
      "webhook_id": "23e42eaf-323a-41da-b5bb-fd67eebda553"
    },
    "status": "active",
    "created_at": "2023-04-27T13:22:49.061281000Z"
  }
}