curl --request POST \
  --url http://localhost:4200/sites/register \
  --header 'Content-Type: application/json' \
  --data '
{
  "siteId": "<string>",
  "name": "<string>",
  "session": "<string>",
  "previewUrl": "<string>",
  "port": 123,
  "purpose": "<string>",
  "secret": "<string>",
  "config": {}
}
'