Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGYnSbYxWixTbVO3/DZI6gDi1L5Y7I44OfXOMgn9UEeJBsvvWPrZfXLtxu5… (844 chars)"
  }
}