curl --request PUT \
  --url http://localhost:3000/api/models/{modelId}/transitions/{transitionId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sourceId": "<string>",
  "targetId": "<string>",
  "type": "<string>",
  "name": "<string>",
  "description": "<string>",
  "metadata": {}
}
'

{
  "id": "<string>",
  "type": "<string>",
  "source": "<string>",
  "target": "<string>",
  "data": {
    "label": "<string>",
    "effects": [
      "<string>"
    ],
    "direction": "out",
    "notes": "<string>",
    "guards": [
      {
        "limit": 123,
        "operator": ">",
        "variableId": "<string>",
        "id": "<string>",
        "type": "attribute"
      }
    ]
  }
}