{
    "USD": {
        "pricing": {
            "method": "fixed"
            , "value": 1.0
        }
        , "qty_precision": "0.01"
    }
    "BTC": {
        "pricing": {
            "method": "exch_inst"
            , "exchange_id": "COINBASE"
            , "instrument_id": "PAIR-BTC-USD"
        }
        , "qty_precision": "0.00000001"
    }
}