Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/XwFaTxP/Q8GwRz2R+IOnR0JqIjGNrbGS9j3p1EpTgB0WBAe/zUA0p4AZ… (1,748 chars)"
  }
}