Memo: Buy from marketplace EVENT_JSON:{"standard":"nep171","version":"nft-1.0.0","event":"nft_transfer","data":[{"authorized_id":"longlnc.testnet","old_owner_id":"longlnc.testnet","new_owner_id":"k10_rocket_team.testnet","token_ids":["Creature #83"],"memo":"Buy from marketplace"}]}