Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHLc8bJafKZE/8MrDneMM4tHOwpALx8O6txnJ8qbBzDHgQTcndA3yFM+nML… (1,748 chars)"
  }
}