Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAzq6zJkTwi3kS+mZi3iz+aBGl1SPaeByG5V+qfs3PUJ3WI8QsW4wosgFrz… (1,748 chars)"
  }
}