EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"e1347c9c8ea0f25f249c550b0326061070a186b14f5262062613e525700b8eee","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["688"]}]}