Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDcgBqBmA/qdcnwRYTjfSnf6vQ7Edm7XpTtbuv8lZWszgSjnmQVJtGGTNvH… (844 chars)"
  }
}