EVENT_JSON:{"standard":"Nep245Event","version":"1.0.0","event":"mt_transfer","data":[{"old_owner_id":"black-snow-event.testnet","new_owner_id":"84f911626012bccd99a3609e5b9483c6adb069e59ce7c90f1e2c0aa3da730a7a","token_ids":["1","2","3"],"amounts":["18","12","2"]}]}