Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCdxnskXc5/byLzMNtQ3/5v8mLKRc1iLkQdSX7lfUkJ8nVDCR2D+8jbLJpY… (1,748 chars)"
  }
}