curl --request GET \
  --url https://api.orderly.org/v1/broker/broker_info \
  --header 'orderly-account-id: <orderly-account-id>' \
  --header 'orderly-key: <orderly-key>' \
  --header 'orderly-signature: <orderly-signature>' \
  --header 'orderly-timestamp: <orderly-timestamp>'

{
  "success": true,
  "data": {
    "broker_id": "orderlydemo",
    "total_staked_balance": 300730.5454,
    "volume_last_30_days": 300730.5454,
    "type": "DIAMOND",
    "base_maker_fee_rate": 0,
    "base_taker_fee_rate": 1,
    "base_rwa_maker_fee_rate": 0,
    "base_rwa_taker_fee_rate": 1,
    "updated_time": 1702989203989
  },
  "timestamp": 1702989203989
}