Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGZ7pQWSgeluY+o3nAfyS2vYDxqYEXKSuDIYJtZf6z+7RQzbd4OY1u0b2P0… (844 chars)"
  }
}