EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"645b34fff38d327e17fa74687155365860db6d65c891521ad232e36d7748c530","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["692"]}]}