Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBfJwTh6q9KlVRXgB/OxU2gUDktfoJ+eZtO3w59T9Vs/ThBy1CQJhl0r0c5… (1,748 chars)"
  }
}