Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCHuc9ndhEKBuGt+7FmvbVJ5mfNxpwkNBHRqx9x6T89wi+z35Doz2A+yiuJ… (1,748 chars)"
  }
}