Logstah geoIp filter for kibana Map

Hi can some one help me on Logstash GeoIP filter ? below is my sample log message

2019-09-10 13:47:45.678 [INFO] from application in pool-1-thread-21 - SegmentName : ID Verified Longitude : 39.954752, Latitude : 39.954752 for transactionId : oiou9P3JQ-gDoee2

I am using below filter but not useful

mutate {
add_field => [ "[geoip][location]", "%{longitude}" ]
add_field => [ "[geoip][location]", "%{latitude}" ]
}

mutate {
convert => [ "[geoip][location]", "float" ]
}

}