Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAt2YXGbK6zmW41UNkq/4UR7cUg7m0KtVBf88qfB7uT/BxLfwgPRZgTONmn… (844 chars)"
  }
}