curl --request POST \
  --url https://coreapi-dev.us.bcpapers.ca/v1/device/windows-mdm/msi-packages/assignments/validate \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "device_ids": [
    "<string>"
  ],
  "group_ids": [
    "<string>"
  ],
  "package_id": "<string>"
}
'

{
  "conflicts": [
    {
      "package_id_1": "<string>",
      "package_id_2": "<string>",
      "product_id": "<string>"
    }
  ],
  "invalid_package_ids": [
    "<string>"
  ],
  "valid": true
}