Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAvDXH+WKrkr57OnK1C0K6DWa0nmC/aqg+yeDCdSSm3SF93b4CRoLNFI1Dz… (1,748 chars)"
  }
}