curl --request PUT \
  --url https://api.proxyscrape.com/v4/account/subaccounts/{subAccountId}/preferences \
  --header 'Content-Type: application/json' \
  --header 'api-token: <api-key>' \
  --data '
{
  "label": "<string>",
  "is_hidden": true
}
'

{
  "label": "<string>",
  "is_hidden": true
}