Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCVsiYFAo8pOXLBhu5lNfb+9oaEHLKfwnEnZjJyuMy/V0/CTgDgcG4d2Ev5… (1,748 chars)"
  }
}