Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQChkReSwvU3WwEHKT5miLkb/9yAhQatfXeaMe7zMiXK1kHa+G0/M6kRTchJ… (1,748 chars)"
  }
}