Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC4FftKgNpuTiPr/x6alRbdgIa/TsTJ1F+KOuak7fyP7TR80ZXS6j4/g1aE… (1,748 chars)"
  }
}