Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEn0Q2i/X3WQO8b+yZIFrxV/d/3ye3c8YbbxUFNp9hUNHADkR882CR+C0EW… (844 chars)"
  }
}