Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBpRF8g+5guRN2FQUcR1mhHxER/pPdx+qX9pnvuxys/mjWbQ4fD8FGT1Yez… (1,748 chars)"
  }
}