Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBvRIzbXjWxbS2e4vZ2PTbdqYGSM7rZqA+21BYUoLGXmFpx+5ZsZ5n5jnSJ… (1,748 chars)"
  }
}