{
       "sequence" => 0,
     "@timestamp" => 2018-06-16T20:17:49.308Z,
           "host" => "hostname",
       "@version" => "1",
    "fingerprint" => "c0535e4be2b79ffd93291305436bf889314e4a3faec05ecffcbb7df31ad9e51a",
        "message" => "Hello world!"
}

input {
	generator {
		count => 1
	}
}

filter {
	fingerprint {
		method => SHA256
	}
}

output {
	stdout {
		codec => rubydebug {
			metadata => true
		}
	}
}