Api get sub account collateral preference response

The response to get the sub account collateral preference

Name `Lite`	Type	Required `Default`	Description
sub_account_id `sa`	string	True	The sub account ID the preferences apply to
preferences `p`	[ApiCollateralPreferenceStatus]	True	One entry per collateral-eligible currency (CVR configured), with its current effective state.

The current effective collateral state of a single currency.

Name `Lite`	Type	Required `Default`	Description
currency `c`	string	True	The currency whose collateral state is being reported
enabled `e`	boolean	True	Whether this currency currently counts as collateral for the sub account