Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDh4Nng+pVG7uUCNJXcZlAmRCk7B/m2kRYhrnD1vZ6bNXt3UNh3ahcLWOJ1… (844 chars)"
  }
}