Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCrWxWHqxb5IXH9PJA9jGGvuaEPN/kYGXjrQHvWUCr75nU+NpsTUqC5Kp3/… (1,748 chars)"
  }
}