curl --request POST \
  --url https://api.example.com/v2/{entity}/{project}/evaluation_runs \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "evaluation": "<string>",
  "model": "<string>"
}
'

{
  "evaluation_run_id": "<string>"
}