Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCGl9BTrQoZk8VJcc9G36+uuxa5nEJsx/5JGb2Dk6xI1WNWgLkwb6BU+fRG… (844 chars)"
  }
}