Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCvMIHWxjRrtlPrLW0/EM2HWzprpu7OV3ELD6tlXi8kpwNY3PsCNxmzNp5j… (1,748 chars)"
  }
}