Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDupdHYHt3JwfCIdF3DpPvQT0n2XqvqZKU293z9qPAknTCD8mVPYXx5vuc3… (1,748 chars)"
  }
}