{
    "currentState": {
        "type": "object",
        "description": "Contains the current state of the transaction",
        "id": "urn:jsonschema:CurrentState",
        "properties": []
    },
    "previousState": {
        "type": "object",
        "description": "Contains the previous value of the attribute before the update",
        "id": "urn:jsonschema:PreviousState",
        "properties": []
    }
}