Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDPBRp+dyIHgQajAnRkR6duPVwZK7XDHyOHlBz/dVn4LEE5mxE4ZSx9Ef4+… (1,748 chars)"
  }
}