Fixed Server interface for async Model execution by named alias

curl --request POST \
  --url https://api.egp.scale.com/v4/serving/a/{alias}/executeAsync \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "stream": false
}'

{
  "async_task_id": "<string>"
}