root 
{
    "state": "closed",
    "event": {
        "type": "CHILD.SET",
        "value": "Machine: :R1mH1:",
        "id": ":R1mH1:"
    },
    "previousEvent": {
        "type": ""
    }
}
 product 
{
    "state": "open",
    "event": {
        "type": "PARENT.SET",
        "parent": "Machine: :R1m:"
    },
    "previousEvent": {
        "type": ""
    }
}
 company 
{
    "state": "open",
    "event": {
        "type": "PARENT.SET",
        "parent": "Machine: :R1m:"
    },
    "previousEvent": {
        "type": ""
    }
}