Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDtMM62xrPiNnTcD6GZCnC3hAjon9lPrWuUUF3x/PBCzU0nzoIjLi3KZ1RC… (844 chars)"
  }
}