Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCa6rIpvh/oiIFIrHp4NarzATYb23ILMMITocSxYz2Q21XWSlZPfW8FWZYY… (1,748 chars)"
  }
}