curl --request POST \
  --url http://localhost:4200/ops \
  --header 'Content-Type: application/json' \
  --data '
{
  "ops": "<unknown>",
  "session": "<string>",
  "siteId": "<string>",
  "componentsManifest": {},
  "siteCapabilities": {
    "allowStructuralEdits": true,
    "checkedAt": "<string>",
    "reason": "<string>",
    "manifestVersion": 123,
    "blockCount": 4503599627370495
  }
}
'