Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBpUbqNqQJevvKxLQtxv3/Lb9G3zuOzL4UNUdeO6ncNP1aRz7AbjlUjXNrz… (844 chars)"
  }
}