Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBgrYy0E645XD5XCHo8ysFbh3Q7QElZ+DOdFJIOl0GbvAUJWi7wFYm7KXsz… (1,748 chars)"
  }
}