Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEUf7midrNm6rPb9Aasn9k7LAbVwzkkSkSvQJVEgCudHwkQzNGnvw1yE9zx… (1,748 chars)"
  }
}