Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDLAfFoLAghdDXZwSdHVwcX/X5HDi93p+2r+t57A1+c+yPYDDu6Hfd/OBsw… (1,748 chars)"
  }
}