Example of how to upload 10 multiple JSON log events once every second

put_log_events.sh

#!/bin/bash

a=0

while [ $a -lt 20 ]
do
    now=$(TZ='UTC' date +%s%3N)
    
    message=$(cat << EndOfMessage 
{
    "timeMillis": $now,
    "thread": "ReqProc-StageThread[3]/bcuNSY6xbNk7ADiQiG0KrA",
    "level": "INFO",
    "loggerName": "engineaudit",
    "message": "PA Audit with data ",
    "endOfBatch": true,
    "loggerFqcn": "org.apache.logging.slf4j.Log4jLogger",
    "contextMap": {
        "AUDIT.duration": "1552467944801",
        "AUDIT.host": "ip-10-211-10-56.eu-west-1.compute.internal",
        "AUDIT.method": "POST",
        "AUDIT.pathPrefix": "/*",
        "AUDIT.pathPrefixType": "Any",
        "AUDIT.proxyRoundTripMS": "130",
        "AUDIT.reqReceivedMillisec": "1552467944643",
        "AUDIT.reqSentMillisec": "1552467944671",
        "AUDIT.requestUri": "/nwb/as/token.oauth2",
        "AUDIT.resource": "PF-RUNTIME",
        "AUDIT.respReceivedMillisec": "1552467944801",
        "AUDIT.respSentMillisec": "1552467944802",
        "AUDIT.responseCode": "200",
        "AUDIT.roundTripMS": "159",
        "AUDIT.targetHost": "dplsp2test.web.rbsgrp.ppe:6020",
        "AUDIT.userInfoReqSentMillisec": "0",
        "AUDIT.userInfoRespReceivedMillisec": "0",
        "AUDIT.userInfoRoundTripMS": "0",
        "exchangeId": "bcuNSY6xbNk7ADiQiG0KrA"
    },
    "threadId": 11,
    "threadPriority": 5,
    "brand": "nwb",
    "nodeType": "Runtime"
}
EndOfMessage
)
    message=`echo $message | jq -c . | jq --raw-input .`
    json=$(cat << EndOfMessage 
[
    {
            "timestamp": $now,
            "message": $message
    }, 
    {
            "timestamp": $now,
            "message": "Member public test InternalPartitionService"
	}
]
EndOfMessage
)
    
    echo $json
    a=`expr $a + 1`
    
    
    sequenceToken=$(aws logs describe-log-streams --log-group-name thabile-support --log-stream-name-prefix thabile-support | jq --raw-output ".logStreams[0].uploadSequenceToken")

    if [[ $sequenceToken == "null" ]]
    then
        aws logs put-log-events --log-group-name thabile-support --log-stream-name thabile-support --log-events "$json" 
    else
        aws logs put-log-events --log-group-name thabile-support --log-stream-name thabile-support --log-events "$json" --sequence-token $sequenceToken
    fi

    sleep 1s
    
done

It's important to note that this method uses DescribeLogStream which is not best practice, as it has very low limit thresholds. For correct way of doing it refer to this https://gist.github.com/vatshat/63cad6f15082ec06851bb40eb0394931