/* GET /v1/common/symbols */
{
  "status": "ok",
  "data": [
    {
      "base-currency": "eth",
      "quote-currency": "usdt",
      "price-precision": 2,
      "amount-precision": 4,
      "symbol-partition": "main"
    },
    {
      "base-currency": "etc",
      "quote-currency": "usdt",
      "price-precision": 4,
      "amount-precision": 4,
      "symbol-partition": "main"
    }
  ]
}