Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGaW3Uv86nIxQZdmi1YDgqHFYNT+XOU2vWepZ0T/kkR0HtcUk1zKGoA8bdE… (844 chars)"
  }
}