Lottie animation and image quality enhancement

I need it in asps I have a simple outline man PNG, need to enhance the quality to use it in a Lottie animation. I have Lottie animation selected already, just want to replace the default image with mine (Budget: ₹600 – ₹650 INR, Jobs: Animation, Graphic Design, Illustrator, Logo Animation, Logo Design, Lottie, Photoshop)