EVENT_JSON:{"standard":"nep141","version":"1.0.0","event":"ft_transfer","data":[{"old_owner_id":"421ed1b13f8b858dac589b949af8595689558d7c1c50d4910da91c39a56686f6","new_owner_id":"fees.sweat","amount":"1","memo":"sw:btc:y9AvbjvjA8"}]}