Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQFt4ts3a6TVX+u8asdG9G3x/oFfHsPJA+JqArTlJFqRVFf+qam76X2yxUUz… (1,748 chars)"
  }
}