code: def unpack_rsp(cls, rsp_pb):
          
          if rsp_pb.retType != RET_OK:
              return RET_ERROR, rsp_pb.retMsg, None
  
          raw_funds = rsp_pb.s2c.funds
          accinfo_list = [{
              'power': raw_funds.power,
              'total_assets': raw_funds.totalAssets,
              'cash': raw_funds.cash,
              'market_val': raw_funds.marketVal,
              'frozen_cash': raw_funds.frozenCash,
              'avl_withdrawal_cash': raw_funds.avlWithdrawalCash,
          }]
          return RET_OK, "", accinfo_list
docs: Convert from PLS response to user response