Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB60nqnpVSGvLoiZQwCGBexqi18f3/4eoQw/Zyq0SoP4CnEDEgJdaVJ6mDz… (1,748 chars)"
  }
}