expression.json

[
    {
        "value": {
            "id": 1,
            "value_driver_id": 1,
            "position": 0,
            "value_id": "ValueDriver-2",
            "next_operand": "*",
            "created_at": "2014-04-15T06: 44: 38.724Z",
            "updated_at": "2014-04-15T06: 44: 38.724Z"
        },
        "type": "variable",
        "expression_tree": [
            {
                "value": {
                    "id": 3,
                    "value_driver_id": 2,
                    "position": 0,
                    "value_id": "ValueDriver-3",
                    "next_operand": "+",
                    "created_at": "2014-04-15T06: 44: 38.817Z",
                    "updated_at": "2014-04-15T06: 44: 38.817Z"
                },
                "type": "variable",
                "expression_tree": [
                    {
                        "value": {
                            "id": 5,
                            "value_driver_id": 3,
                            "position": 0,
                            "value_id": "Input-2",
                            "next_operand": "*",
                            "created_at": "2014-04-15T06: 44: 38.834Z",
                            "updated_at": "2014-04-15T06: 44: 38.834Z"
                        },
                        "type": "variable"
                    }
                ]
            },
            {
                "value": "+",
                "type": "operand"
            },
            {
                "value": {
                    "id": 4,
                    "value_driver_id": 2,
                    "position": 1,
                    "value_id": "ValueDriver-4",
                    "next_operand": "*",
                    "created_at": "2014-04-15T06: 44: 38.826Z",
                    "updated_at": "2014-04-15T06: 44: 38.826Z"
                },
                "type": "variable",
                "expression_tree": [
                    {
                        "value": {
                            "id": 6,
                            "value_driver_id": 4,
                            "position": 1,
                            "value_id": "Input-3",
                            "next_operand": "*",
                            "created_at": "2014-04-15T06: 44: 38.852Z",
                            "updated_at": "2014-04-15T06: 44: 38.852Z"
                        },
                        "type": "variable"
                    }
                ]
            }
        ]
    },
    {
        "value": "*",
        "type": "operand"
    },
    {
        "value": {
            "id": 2,
            "value_driver_id": 1,
            "position": 1,
            "value_id": "Input-1",
            "next_operand": "*",
            "created_at": "2014-04-15T06: 44: 38.805Z",
            "updated_at": "2014-04-15T06: 44: 38.805Z"
        },
        "type": "variable"
    }
]