EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"0b6320dcfc4f7710384c79c51e3c9adab4c174f34d2d4061059a024085a9b343","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["689"]}]}