EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"2a50b13637ac7e7db10d674fc545d98f0a1177013d722abf759c92d5a2b6994a","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["214"]}]}