Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCs6r/Vc7oIvuxY8EMi+uY7pxhdfS7glRZSHbgPcv0iNRjnxtaXTrN2uw9z… (844 chars)"
  }
}