Get Order Book Snapshot

curl -X GET "https://api.trusset.org/orderbooks/stocks/api/order-books/ob_abc123/snapshot?levels=10" \
  -H "x-api-key: trusset_{instanceRef}_{secret}"

{
  "success": true,
  "data": {
    "orderBookId": "ob_abc123",
    "bids": [
      { "price": "99500000000000000000", "quantity": "5000000000000000000" },
      { "price": "99000000000000000000", "quantity": "12000000000000000000" }
    ],
    "asks": [
      { "price": "100500000000000000000", "quantity": "3000000000000000000" },
      { "price": "101000000000000000000", "quantity": "8000000000000000000" }
    ]
  },
  "metadata": {
    "requestId": "550e8400-e29b-41d4-a716-446655440000",
    "timestamp": "2025-01-15T10:30:00.000Z",
    "instanceId": "inst_abc"
  }
}