Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAdJcWsMfP9iLD+ck75ZNaIJryyXtnI2664dAr3KE8qFTI7RV5tBOkj5ZVV… (1,748 chars)"
  }
}