Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBonlsV3BjQ4Lbn6aWH/A58tJ7SjCal9TybcOWXqKS1YRfYDfJuIeP5Sydq… (1,748 chars)"
  }
}