Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+vEzlNKGnx1MMRWRJy5Bm0JJmvXHIw0JBiHGDgN0qyXGeHLk3pysBau89… (844 chars)"
  }
}