Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC+mGxN+rCzjY46jQddG8XpXySwsEeBd4Wx0m61GilX+F9suHKmeUiHAr4J… (1,748 chars)"
  }
}