Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGVJNrFBwrNNZIZXgPnL+ZwhBvshsNZWO5yI1A/bn3WQSoUK2jY5ceIG6TJ… (1,748 chars)"
  }
}