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": ""
    }
}