curl --request POST \
  --url https://api.example.com/v1/preview/models \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "project": "<string>",
  "name": "<string>",
  "base_model": "<string>",
  "entity": "my-team",
  "return_existing": false
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "entity": "<string>",
  "project": "<string>",
  "name": "<string>",
  "base_model": "<string>",
  "run_id": "<string>"
}