8Umk6U9LPoYauYnrGQFVdF8hacpbZGvWBBsMU7vNQrEU
EVENT_JSON:{"standard":"nep245","version":"1.0.0","event":"mt_transfer","data":[{"authorized_id":null,"old_owner_id":"opntoken.near","new_owner_id":"4kearthscience.near","token_ids":["ft:1669222736006"],"amounts":["86251560280534066523"],"memo":null}]}