Readable JSON nginx log format

nginx_logformat.conf

log_format  main  '{\nrequest:              "$request @ [$time_local]", \nremote_addr:          "$remote_addr", \nremote_user:          "$remote_user",'
                  '\nstatus:               "$status", \nbody_bytes_sent:      "$body_bytes_sent", \nhttp_referer:         "$http_referer", '
                  '\nhttp_user_agent:      "$http_user_agent", \nhttp_x_forwarded_for: "$http_x_forwarded_for"\n},';