You don't need to be a JPMorgan employee to see inside the bank's new soaring Manhattan headquarters . You just need to open TikTok. As the bank's employees begin to populate the 60-story, $3 billion skyscraper at 270 Park Avenue, a select few are uploading videos of what appear to be the interior of the tower, which boasts a food court with 19 restaurants, a gym, and biometric scanning . One video uploaded on October 7 documents an employee's apparent morning in the building — she spins