Memo: EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"c7da57401b4f93b32fda4ed832653b6a8a13dfc4c27589b64d29230d127e0a6c","new_owner_id":"smallos5261.near","token_ids":["1:54813"],"memo":""}]}