Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE1mLwkkiJDzNXWC8M0NtHEpT3Q5cXji6aQSzu6mb9NtB9zxpSdtWIwrn2q… (844 chars)"
  }
}