{"message_id": "msg_1776277862167", "timestamp": "2026-04-15T18:31:02.167096", "content": "Hello from Lambda! This is an optimized chat response with no artificial delay.", "user_id": "user_123", "actual_processing_time_ms": 0.01, "source_ip": "unknown", "lambda_request_id": "2e3a5317-3f79-4a53-b1db-d6d8b4a10dcc", "region": "us-east-1", "optimization": "artificial_delay_removed"}