Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGQVNfPEGTifC8Pjf2Y/YDgzK0YWgsXO/8hN0ggCHel9RS4MN4ou3pFS6zb… (844 chars)"
  }
}