curl --request POST \
  --url https://studio.edgeimpulse.com/v1/api/organizations/{organizationId}/multi-project-deployment/start \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "impulses": [
    {
      "projectId": 123,
      "impulseId": 123,
      "variant": "int8"
    }
  ],
  "engine": "tflite-eon"
}
'

{
  "success": true,
  "id": 12873488112,
  "error": "<string>"
}