Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBucQJgqgD9KkfhEWnEQXBa/NXk5Nz5xqJNdYis+JP9g0z2pp3OcerNLhQZ… (1,748 chars)"
  }
}