nginx logging using json format

logging.conf

log_format le_json '"time": "$time_iso8601", '
             '"remote_addr": "$remote_addr", '
             '"remote_user": "$remote_user", '
             '"body_bytes_sent": "$body_bytes_sent", '
             '"request_time": "$request_time", '
             '"status": "$status", '
             '"request": "$request", '
             '"request_method": "$request_method", '
             '"http_referrer": "$http_referer", '
             '"http_user_agent": "$http_user_agent"';
 
       access_log /var/log/nginx/access.log le_json;