Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBX5DRG9VjQvrEHbR7rD/lY7KNx5cl6SaEPUDrbRh26NBM2gVqjBvw1lhZ2… (1,748 chars)"
  }
}