secret no se puede actualizar. Si necesitas un nuevo secret, elimina y crea una nueva suscripción.curl --location --request PUT 'https://api-preview.fidi.money/fidix/v1/webhooks/subscriptions/8a9b0c1d-2e3f-4a5b-6c7d-8e9f0a1b2c3d' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"url": "https://nueva-url.com/webhooks/fidi"
}'{
"id": "8a9b0c1d-2e3f-4a5b-6c7d-8e9f0a1b2c3d",
"url": "https://mi-servidor.com/webhooks/fidi",
"event_types": [
"transfer.received"
],
"secret": "whsec_abc123def456ghi789jkl012mno345pqr678stu901vwx234yz",
"status": "active",
"created_at": "2026-01-14T10:00:00Z",
"updated_at": "2026-01-14T10:00:00Z",
"last_delivery_at": "2026-01-14T10:05:00Z",
"delivery_count": 5,
"failure_count": 0
}