Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGXbwP3gVPkva7CJIn7bYdyDV804e8lVezzE4pS21kXUHQeT3sbU+uWA1Td… (1,748 chars)"
  }
}