curl --request POST \
  --url https://api.example.com/displaymode/slot/save \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "displayModeReleaseID": 123,
  "positionUsageTypeID": 123,
  "widgetTypeID": 123,
  "applyPercent": 100
}
'

{
  "success": true,
  "data": "<unknown>"
}