curl --request PATCH \
  --url https://api.jtl-cloud.com/erp/v1/items/salesChannels \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-appid: <x-appid>' \
  --header 'x-appversion: <x-appversion>' \
  --header 'x-tenant-id: <x-tenant-id>' \
  --data '
{
  "ApplyToAllChildItems": true,
  "Items": [
    123
  ],
  "ActivateSalesChannels": [
    123
  ],
  "DeactivateSalesChannels": [
    123
  ]
}
'

{
  "NotActivatedForJtlPosItems": [
    {
      "Item": 123,
      "SalesChannel": "<string>"
    }
  ],
  "NotActivatedForScxDueToPartialItems": [
    {
      "Item": 123,
      "SalesChannel": "<string>"
    }
  ],
  "NotActivatedForScxForMissingChildItems": [
    {
      "Item": 123,
      "SalesChannel": "<string>"
    }
  ],
  "NotActivatedBecauseInactiveItems": [
    {
      "Item": 123,
      "SalesChannel": "<string>"
    }
  ]
}