{
  "id": "exp-500123",
  "member_id": "500123",
  "amount": 45.5,
  "currency": "USD",
  "category": "meals",
  "description": "Team lunch",
  "date": "2025-03-15",
  "status": "pending",
  "receipt_url": "https://api.abacus.com/receipts/abc123",
  "created_at": "2025-03-15T14:30:00Z",
  "updated_at": "2025-03-16T10:00:00Z"
}