/* GET /v1/account/accounts/100009/balance */
{
  "status": "ok",
  "data": {
    "id": 100009,
    "type": "spot",
    "state": "working",
    "list": [
      {
        "currency": "usdt",
        "type": "trade",
        "balance": "500009195917.4362872650",
        "address":"xxx"
      },
      {
        "currency": "usdt",
        "type": "frozen",
        "balance": "328048.1199920000",
        "address":"xxx"
      },
      {
        "currency": "etc",
        "type": "trade",
        "balance": "499999894616.1302471000",
        "address":"xxx"
      },
      {
        "currency": "etc",
        "type": "frozen",
        "balance": "9786.6783000000",
        "address":"xxx"
      },
      {
        "currency": "eth",
        "type": "trade",
        "balance": "499999894616.1302471000",
        "address":"xxx"
      },
      {
        "currency": "eth”,
        "type": "frozen",
        "balance": "9786.6783000000",
        "address":"xxx"
      }
    ]
  }
}