Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDHyvJp9+k7JkFNaYw8lXGByozVeHvD1TerYnULdEnVXAjk2wUA7Pxl7C1P… (844 chars)"
  }
}