Get Wallet's Current Staked Balance

curl --request GET \
  --url https://api-evm.orderly.org/v1/staking/balance

{
  "success": true,
  "timestamp": 1702989203989,
  "data": {
    "total_staked_balance": 10000,
    "total_staked_order": 2000,
    "total_staked_esorder": 8000
  }
}