curl --request PUT \
  --url https://api.eflow.team/v1/networks/labels/{labelId} \
  --header 'Content-Type: application/json' \
  --header 'X-Eflow-Api-Key: <api-key>' \
  --data '
{
  "label": "premium-v2"
}
'

{
  "label": "<string>"
}