Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEOqL6XHtjv8G7CrN6SbJZFk7Mk1HL17zdf1dWTUei/+m6RElT8xL6/qzbJ… (844 chars)"
  }
}