curl --request POST \
  --url https://pluto-api.trainy.ai/api/runs/modelGraph/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "runId": 123,
  "graph": {
    "format": "<string>",
    "nodes": {}
  }
}
'

{
  "success": true
}