Api find trader leaderboard response

Name `Lite`	Type	Required `Default`	Description
users `u`	[TraderLeaderboardUser]	True	The list of trader leaderboard users

Name `Lite`	Type	Required `Default`	Description
account_id `ai`	string	True	The off chain account id
rank `r`	integer	True	The rank of the account in the Trader
total_point `tp`	number	True	Total Trader point
twitter_username `tu`	string	True	The twitter username of the account