use Security Mode = None is not a correct parameter, use allowedSecurityPolicies instead.

from("milo-client:opc.tcp://LeeviDing:53530/OPCUA/SimulationServer?" +
                "node=RAW(ns=3;i=1011)" +
                "&allowedSecurityPolicies=None")
                .log("Received OPC UA data: ${body}");