Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDVxIrWStdlDAJ04bSE1+ulZayKMKmYdxAL1C+qoTIgiS6XkJkTj2PmoH6/… (1,748 chars)"
  }
}