Update a direct investment

curl -X PUT https://your-url.com/kong/core/api/gateway/api/portfolio/assets/direct/{id}\
  -H "Authorization: Bearer $DELIO_API_KEY"\
  -H "Content-Type: application/json"\
  -d '{
  "client_reference": "client_reference",
  "name": "name",
  "source": "source",
  "source_id": "source_id",
  "description": "description",
  "class": "cash",
  "currency": "currency",
  "investor_subscription_distribution": true,
  "manual_valuation": true,
  "show_fund_activity_to_investors": true,
  "investor_fund_investment_assignment": true,
  "parent_asset_id": 1,
  "subposition_type": "class",
  "valuation": 1,
  "valuation_date": "valuation_date",
  "structure": "direct",
  "vintage": 1900,
  "stage": "pre_seed",
  "sector_allocation": "sector_allocation",
  "geographic_allocation": "geographic_allocation",
  "percentage_ownership": 1,
  "repayment_date": "repayment_date",
  "interest_rate": "interest_rate",
  "interest_payment_frequency": "interest_payment_frequency",
  "conversion_date": "conversion_date",
  "conversion_terms": "conversion_terms",
  "location": "location"
}'