Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAXjXbHowX7EzD1gFFKJAF7AYYdUQ3JIMrB+S7r1Ub/KiWiaghDqLtGJ3Bd… (844 chars)"
  }
}