{
    "massEmails": {
        "index": 0
    },
    "trackingUrls": {
        "index": 1
    },
    "campaignLogRecords": {
        "index": 2
    },
    "_delimiter_": {
        "index": 3
    },
    "opportunities": {
        "index": 4
    },
    "leads": {
        "index": 5
    }
}