curl -X PATCH 'https://api.example.com/resource-hierarchy/resource_folder_123/resource_doc_456' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "cascade": "none"
  }'

{
  "parentResourceId": "resource_folder_123",
  "childResourceId": "resource_doc_456",
  "relationshipType": "contains",
  "cascade": "none",
  "createdAt": "2024-01-15T10:30:00Z"
}