Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDq9zcQsX5ORc2bYMkNMRr1Gw6o2fOYF/eL8TFqwFY85F3WNl+hTIxpz5eG… (844 chars)"
  }
}