Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZ+wZMvbshCyvuiGhkapHCqvP45BsIs1peVjDZWJ0Aq0hES6z4b+5Yc50p… (1,748 chars)"
  }
}