Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDS/uV0y+4U9FFC+GYlBCwcrb3nL3Rj4Kgh/6c4C7ImFGnzmsxG5AZ3fWxS… (1,748 chars)"
  }
}