Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDL8yUOu6avj1rBp0j3joB5bjDK4pasgNszRCVM5DdI5QL2EwfPPrd6eDm6… (1,748 chars)"
  }
}