Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGNyh+yKTUpaT/LBUsmMJv/q02o3uVz0Vg7QLMGcn41RjNiGkBqGld8y9eT… (844 chars)"
  }
}