@timestamp has to be a LogStash::Timestamp. You could try
event.set("@timestamp", LogStash::Timestamp.new(Time.utc(2021, 6, 10, 19, 0, 0))@timestamp has to be a LogStash::Timestamp. You could try
event.set("@timestamp", LogStash::Timestamp.new(Time.utc(2021, 6, 10, 19, 0, 0))© 2020. All Rights Reserved - Elasticsearch
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