Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBrRZ2eDLEq+ynNy2a5ET1w0upx2sLuINfDYs/aWR2PgnBOgn3CWY5w9kZ0… (1,748 chars)"
  }
}