Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFpexC2mlk7rrj3J9zOZZtavEGY2fqdrVeNQR0sNHwGdkNSvBTxjva6X9tq… (844 chars)"
  }
}