Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQJWuoHp9pyZn8gKSdBJUguLhziuYL3+Hd8BtY5rZ72z2FwvH7aQNC0ZoPr+… (1,748 chars)"
  }
}