Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE60fXcXVJQtuCQ1cTB+cQxuhGJpb6P/am2P5Kq+E0OfB+kNR/8wA0D/XAy… (1,748 chars)"
  }
}