Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCJQRW2y7HlCqGCixpnDUIJGGxan8dL/Gvlsit7ZiLBqX8T+jv9O+g4TAur… (1,748 chars)"
  }
}