Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBbh/Z7nrxDTf+1WjwsavKBJA6xa6PUvuUEX/J5p4DKcjp7JkqKxOfMqMb/… (1,748 chars)"
  }
}