Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHPpYab7Dk/C4WSqMo8kVgmA0NtnPCvkzql5RKKVzVcKAJR+Eae49WMvTd2… (844 chars)"
  }
}