v3.0.2
/swap-api/v1/swap_sub_position_info,/swap-api/v1/swap_position_info,/api/v1/contract_sub_position_info,
/api/v1/contract_position_info, add response param liq_px
/swap-api/v1/swap_sub_position_info,/swap-api/v1/swap_position_info,/api/v1/contract_sub_position_info,
/api/v1/contract_position_info, add response param liq_px