Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCVyrkWY4wNGcgTQrSP0oQvwq3l1UcohynMQIWcPLzLtVEphFfqd3T7452u… (1,748 chars)"
  }
}