This is a right hand with the back of the hand facing forward, with the thumb and index finger straight up and pointing upwards
⬆️, with the other fingers rolled up. It is usually used to remind people to pay attention to the current content or to indicate upward or north, and also means to be free, ready or positive. On some web pages, the mouse
🖱️ is also this icon. It needs to be distinguished from
☝️.