Http Patch request body does appears to not get parsed into json correctly

export async function PATCH(request: NextRequest) {
  const user = await AuthenticateToken(request);

  if (user === null) return new NextResponse("", { status: 401 });

  const today = new Date();
  // Parse balance message
  const parsedBody = await request.json().catch(() => {
    return new NextResponse("", { status: 400 });
  });
  const parsedZvalue = balanceSchema().safeParse(parsedBody.zvalue);

  console.log("hmm?", parsedBody.zvalue);
...