Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBUxJmHf3gIKSLqP/B41D2XFEyFVOb43gv81tUhCiwTcGp5XkmTx8b8Ufda… (844 chars)"
  }
}