QuoteCreate
sellCurrencyCurrencyCoderequiredbuyCurrencyCurrencyCoderequiredamountPositiveMoneyrequiredfixedSideFixedSiderequiredkindExchangeKindsettlementDateDate | nullsellBalanceIdUuid | nullbuyBalanceIdUuid | nullholdMinutesinteger | nullHeld rates: how long the rate is held (default: operator setting
exchange.heldRateDefaultMinutes).