Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHkBCQbUES3eAeFTl4r+XNlOp6hwnTpuSYBuv3C8t879H8hHtCvxhgbB7O4… (844 chars)"
  }
}