Memo: EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"2f202362cd8ec88a4c23455f4fed78e3b7d8e25712162ea7cf0ca0bb2f31070b","new_owner_id":"satochang.near","token_ids":["1:43265"],"memo":""}]}