llInstantMessage(CORRADE,
    wasKeyValueEncode(
        [
            // set the scale of the object
            // chair to <5, 5, 0> for all
            // primitives, uniformly
            "command", "setobjectscale",
            "group", wasURLEscape(GROUP),
            "password", wasURLEscape(PASSWORD),
            "item", "Chair",
            "range", 5,
            "scale", wasURLEscape("<5, 5, 0>"),
            "uniform", "True"
        ]
    )
);