Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBto05mOUARHef2f8u5o1rJg7p/nrmh/eFIex+9bZr1s3r2AAWQq4ef1pq+… (1,748 chars)"
  }
}