Memo: EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"a003c8e69cd7e87141f1e22d9d8935a1b2ab0f1b489bc5af1fa4bd8e818aa2b7","new_owner_id":"lixian31.near","token_ids":["476:5898"],"memo":""}]}