Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZuf2G4tKKVm1aOWZzSRxYHhBsozUbPTgLHnLw5DuhK3MVBnl0B2w8xgdJ… (1,748 chars)"
  }
}