Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGCaZAKHJIfE4jdpkAuB3vNxdru4pC7tZfR0hgrzAGtM06IQnib8wW2T8K+… (1,748 chars)"
  }
}