Sample Export from SObjectDataLoader

gistfile1.json

{
    "RecordSetBundles": [
        {
            "Records": [
                {
                    "attributes": {
                        "type": "ObjectA__c",
                        "url": "/services/data/v26.0/sobjects/ObjectA__c/a00d0000007kUmsAAE"
                    },
                    "CreatedDate": "2012-11-19T18:32:50.000+0000",
                    "Id": "a00d0000007kUmsAAE",
                    "IsDeleted": false,
                    "LastModifiedDate": "2012-11-19T18:32:50.000+0000",
                    "Name": "Object A Record",
                    "SystemModstamp": "2012-11-19T18:32:50.000+0000"
                }
            ],
            "ObjectType": "ObjectA__c"
        },
        {
            "Records": [
                {
                    "attributes": {
                        "type": "ObjectD__c",
                        "url": "/services/data/v26.0/sobjects/ObjectD__c/a03d000000EHi6tAAD"
                    },
                    "CreatedDate": "2012-11-19T18:32:36.000+0000",
                    "Id": "a03d000000EHi6tAAD",
                    "IsDeleted": false,
                    "LastModifiedDate": "2012-11-19T18:32:36.000+0000",
                    "Name": "Object D Record",
                    "SystemModstamp": "2012-11-19T18:32:36.000+0000"
                }
            ],
            "ObjectType": "ObjectD__c"
        },
        {
            "Records": [
                {
                    "attributes": {
                        "type": "ObjectB__c",
                        "url": "/services/data/v26.0/sobjects/ObjectB__c/a01d0000006JdysAAC"
                    },
                    "CreatedDate": "2012-11-19T18:32:59.000+0000",
                    "Id": "a01d0000006JdysAAC",
                    "IsDeleted": false,
                    "LastModifiedDate": "2012-11-19T18:32:59.000+0000",
                    "Name": "Object B Record",
                    "ObjectA__c": "a00d0000007kUmsAAE",
                    "ObjectD__c": "a03d000000EHi6tAAD",
                    "SystemModstamp": "2012-11-19T18:32:59.000+0000"
                }
            ],
            "ObjectType": "ObjectB__c"
        },
        {
            "Records": [
                {
                    "attributes": {
                        "type": "ObjectE__c",
                        "url": "/services/data/v26.0/sobjects/ObjectE__c/a04d00000035cFAAAY"
                    },
                    "CreatedDate": "2012-11-19T18:32:43.000+0000",
                    "Id": "a04d00000035cFAAAY",
                    "IsDeleted": false,
                    "LastModifiedDate": "2012-11-19T18:32:43.000+0000",
                    "Name": "Object E Record",
                    "SystemModstamp": "2012-11-19T18:32:43.000+0000"
                }
            ],
            "ObjectType": "ObjectE__c"
        },
        {
            "Records": [
                {
                    "attributes": {
                        "type": "ObjectC__c",
                        "url": "/services/data/v26.0/sobjects/ObjectC__c/a02d000000723fvAAA"
                    },
                    "CreatedDate": "2012-11-19T18:33:08.000+0000",
                    "Id": "a02d000000723fvAAA",
                    "IsDeleted": false,
                    "LastModifiedDate": "2012-11-19T18:33:08.000+0000",
                    "Name": "Object C Record",
                    "ObjectB__c": "a01d0000006JdysAAC",
                    "ObjectE__c": "a04d00000035cFAAAY",
                    "SystemModstamp": "2012-11-19T18:33:08.000+0000"
                }
            ],
            "ObjectType": "ObjectC__c"
        }
    ]
}