[
    {
        "subject":
            {
                "node":"ship1",
                "messageType":"command",
                "method":"shellcommand",
                "domain":"shell"
            },
        "message":
            {
                "data": ["bash","-c","uname -a"],
                "messageType":"Command"
            }
    },
    {
        "subject":
            {
                "node":"ship2",
                "messageType":"command",
                "method":"shellcommand",
                "domain":"shell"
            },
        "message":
            {
                "data": ["bash","-c","uname -a"],
                "messageType":"Command"
            }
    }
]