Create one standalone premium minimalist enterprise SaaS UI icon. ICON NAME: Narrative Activity ICON MEANING: Activity, movement, ongoing narrative change, live dynamics. ICON SHAPE DIRECTION: Create a compact activity icon using a waveform, pulse line, or lightweight signal path. The form may sit inside a very minimal open rounded outline if needed, but avoid any heavy container or filled shape. PRIMARY GOAL: Generate one clean isolated SVG-style icon only. The icon must be suitable for a modern analytical / operational SaaS interface. STYLE: Minimalist vector line icon. Monochrome outline icon. Clean SVG-like appearance. Premium enterprise product UI style. Calm, precise, intelligent, technological, high-end. Lightweight construction with elegant negative space. Subtle rounded geometry. Crisp edges. Balanced proportions. Readable at small UI size. STRICT VISUAL SYSTEM: Use the same stroke weight, same corner roundness, same visual density, and same icon family style as the rest of the set. The icon should feel like part of one unified enterprise SaaS icon family. COLOR: Use one stroke color only: #659DE8. No other colors. IMPORTANT: No background. No container. No card. No rounded square behind the icon. No frame. No badge. No fill. No solid shapes. No gradients. No shadows. No glow. No blur. No opacity variation. No texture. No 3D. No glassmorphism. No text. No label. No caption. No numbers. No branding. No watermark. OUTPUT: One isolated clean line icon, centered, with transparent background, optimized for SVG-style use in a website UI.

The image shows a black and white icon of a heartbeat line on a white background. The line is in the shape of a square and is composed of a series of points connected by a thin black line. The background is a solid white color.