Api get lp leaderboard response

Name `Lite`	Type	Required `Default`	Description
points `p`	[ApproximateLPPoint]	True	The list of LP points

Name `Lite`	Type	Required `Default`	Description
off_chain_account_id `oc`	string	True	The off chain account id
liquidity_score `ls`	string	True	Liquidity score
rank `r`	integer	True	The rank of user in the LP leaderboard