Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBgkNxZKq7Vbo/KNL4PbkDN9bvvY5EJ0xg1dzcMAr5eGF5javA3BaquGaCq… (1,748 chars)"
  }
}