Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQByAG71pDqZfxW7kCMqdFjmozu/1qZ94Bn1irpCdDpAPlz7uZSl1uTW8/C1… (1,748 chars)"
  }
}