JSON is the universal format for structured logs. It is supported by all the popular log collectors and shippers. It is natively supported by VictoriaLogs [1] together with other popular data ingestion formats for logs [2].

[1] https://docs.victoriametrics.com/victorialogs/keyconcepts/#d...

[2] https://docs.victoriametrics.com/victorialogs/data-ingestion...