Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBNhR5sCjXXb+Yk8NknAqZjgU9kE/B+7YBF0y7Zx0MmXHpuP5R8AoygXwzi… (1,748 chars)"
  }
}