Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDoB8cUP6384WR7b2jSKt6wK8S/WOLuWKNWrq2Sm5McVQXZ2Et2b9z9Z2I1… (1,748 chars)"
  }
}