EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"55018ab156c3d76dd5bafe1cb24bb8edd8ede489ec67bd68ff00ab2d69d7c592","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["543"]}]}