MOEX Market Data Multicast FIX/FAST Platform uses custom UTCTimeOnly, UTCTimestamp format in the FAST messages.
Please refer to the official documentation for more details: http://ftp.moex.com/pub/FAST/Spectra e.g. http://ftp.moex.com/pub/FAST/Spectra/prod/docs/spectra_fastgate_en.pdf
Example of handling time from MDEntryTime
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