Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA6Xybsh/WK+SgS9udYfP0ynZ4FNbI+QjpxYZWYD5xS5EdLeFz5CpaLlb0b… (844 chars)"
  }
}