my $jbody = JSON->new->utf8->decode($body);

##</code><code>##

$header ={ 
	Auth-Token => $mytoken,
	Content-Type => "application/json",
	Accept => "application/json"
};
$body ='{ 
			"includes" :  [ { 
			"ids" : ["fbb7c736-852f-4158-aae3-1f97bc755cec"], 
			"observationName" : "sql_batches" } ], 
			"startTime" : 1602043200000, 
			"endTime" : 1602129599000, 
			"granularity" : 86400000, 
			"numberOfValue" : 1, 
			"retrievalType" : "RAW"
			}';

$client->POST('/topology/batchQuery',$body,$header);