Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAX8uyuLEmLYDS2mdH0Mi3c4j/qnsOI7EAsM1e0OLzyIHGOVSZD0aBuQ6aB… (1,748 chars)"
  }
}