Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGNZGo/t7QIJmZZTwav+ipJW4Bvh7dCmkK7WzObMLeokXTM3YUoUfGJH5x9… (844 chars)"
  }
}