EVENT_JSON:{"standard":"Nep245Event","version":"1.0.0","event":"mt_transfer","data":[{"old_owner_id":"nearcon-demo.testnet","new_owner_id":"c88de55dab679ae850dd8a119ccd67b8740b3f2889ee7fe8ce5cee25d895fa05","token_ids":["1","3"],"amounts":["10","2"]}]}