data1:
db.datalake.insert({
    "event":{
        "commonEventHeader":{
            "domain":"perf3gpp",
            "eventId":"23025c2d-ea39-4bda-8356-f4ddb122737c",
            "sequence":0,
            "eventName":"perf3gpp_AcmeNode-Acme_pmMeasResult",
            "sourceName":"otenb5309",
            "reportingEntityName":"",
            "priority":"Normal",
            "startEpochMicrosec":1591099200000,
            "lastEpochMicrosec":1591100100000,
            "version":"4.0",
            "vesEventListenerVersion":"7.1",
            "timeZoneOffset":"UTC+05:00"
        },
        "perf3gppFields":{
            "perf3gppFieldsVersion":"1.0",
            "measDataCollection":{
                "granularityPeriod":1591100100000,
                "measuredEntityUserName":"",
                "measuredEntityDn":"AMFMeasurement",
                "measuredEntitySoftwareVersion":"r0.1",
                "measInfoList":[
                    {
                        "measInfoId":{
                            "sMeasInfoId":"AMFFunction0"
                        },
                        "measTypes":{
                            "sMeasTypesList":[
                                "RM.RegisteredSubNbrMean.08_010101"
                            ]
                        },
                        "measValuesList":[
                            {
                                "measObjInstId":"",
                                "suspectFlag":"false",
                                "measResults":[
                                    {
                                        "p":1,
                                        "sValue":"10"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "measInfoId":{
                            "sMeasInfoId":"AMFFunction1"
                        },
                        "measTypes":{
                            "sMeasTypesList":[
                                "RM.RegisteredSubNbrMean.08_010101"
                            ]
                        },
                        "measValuesList":[
                            {
                                "measObjInstId":"",
                                "suspectFlag":"false",
                                "measResults":[
                                    {
                                        "p":1,
                                        "sValue":"20"
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }
        }
    }
})

data2
db.datalake.insert({
    "event":{
        "commonEventHeader":{
            "domain":"perf3gpp",
            "eventId":"23025c2d-ea39-4bda-8356-f4ddb122737c",
            "sequence":0,
            "eventName":"perf3gpp_AcmeNode-Acme_pmMeasResult",
            "sourceName":"otenb5309",
            "reportingEntityName":"",
            "priority":"Normal",
            "startEpochMicrosec":1591099200000,
            "lastEpochMicrosec":1591100100000,
            "version":"4.0",
            "vesEventListenerVersion":"7.1",
            "timeZoneOffset":"UTC+05:00"
        },
        "perf3gppFields":{
            "perf3gppFieldsVersion":"1.0",
            "measDataCollection":{
                "granularityPeriod":1591100100000,
                "measuredEntityUserName":"",
                "measuredEntityDn":"AMFMeasurement2",
                "measuredEntitySoftwareVersion":"r0.1",
                "measInfoList":[
                    {
                        "measInfoId":{
                            "sMeasInfoId":"AMFFunction0"
                        },
                        "measTypes":{
                            "sMeasTypesList":[
                                "RM.RegisteredSubNbrMean.08_010101"
                            ]
                        },
                        "measValuesList":[
                            {
                                "measObjInstId":"",
                                "suspectFlag":"false",
                                "measResults":[
                                    {
                                        "p":1,
                                        "sValue":"10"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "measInfoId":{
                            "sMeasInfoId":"AMFFunction1"
                        },
                        "measTypes":{
                            "sMeasTypesList":[
                                "RM.RegisteredSubNbrMean.08_010101"
                            ]
                        },
                        "measValuesList":[
                            {
                                "measObjInstId":"",
                                "suspectFlag":"false",
                                "measResults":[
                                    {
                                        "p":1,
                                        "sValue":"20"
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }
        }
    }
})