Get Project Entities
Retrieves a list of entities for a specific project with pagination support.
**Response Formats:**
- **JSON** (default): Returns structured data with nested objects
- **CSV**: Returns tabular data with dynamic columns for attributes and risk categories
**CSV Format:**
The CSV response includes dynamic columns based on the data:
- `attribute_{field_name}`: Dynamic columns for each attribute field found in the data
- `risk_category_{category_id}`: Dynamic columns for each risk category found in the data
- Standard columns: project_id, project_entity_id, label, project_entity_url, upload_ids, strength, countries, tags, case_status, created_at, match_count, upstream_products, upstream_risk_factors, upstream_countries
Use the `Accept: text/csv` header to request CSV format.

