ATANAS43BSWYRVXTDGUTGPR24V3FHEL6AUDE2IPTSD67QRGODGXQC
634OYCNMVRRKALVMFBHK2S4L2AFLAJB6F5XASS4CWYMVSCEQQWHAC
7FRJYUI62VW257VVFQXND6OKSAILVTHGEJCXFE6CG6FIOIUTDVYAC
channel.data(b"Hello, world!").await.unwrap();
channel.data(&b"Hello, world!"[..]).await.unwrap();