Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBu4qWvfO3k07u47vA0WOkDh2zPvhmmR/94D4E/dsEZG0zPJK9pyxB4G+Pf… (844 chars)"
  }
}