Snap funding account summary

The funding account summary, that reports the total equity and spot balances of a funding (main) account

Name `Lite`	Type	Required `Default`	Description
event_time `et`	string	True	Time at which the event was emitted in unix nanoseconds
start_interval `si`	string	True	The start of the interval in unix nanoseconds
main_account_id `ma`	string	True	The main account ID of the account to which the summary belongs
total_equity `te`	string	True	Total equity of the main account, denominated in USD
spot_balances `sb`	[SpotBalance]	True	The list of spot assets owned by this main account, and their balances

Name `Lite`	Type	Required `Default`	Description
currency `c`	Currency	True	The currency you hold a spot balance in
balance `b`	string	True	This currency's balance in this trading account.
index_price `ip`	string	True	The index price of this currency. (reported in `USD`)

The list of Currencies that are supported on the GRVT exchange