EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"arif56a.tg","new_owner_id":"4c7cb28f89e5903f22f198a6696d0997d448a8a1a6a9cbb87ce08a22b95d6043","token_ids":["522:523"]}]}