Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG10534mMl6f4sT3HS4+lDkbFDFvsfWZIL2KNz4i/8yUjBFTf511/8P9aO/… (1,748 chars)"
  }
}