Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFHse1/HgzUgahWJAMPeaXs4e8XeiiqHE0+Z4DYuZZwKCPzZHu90WCqOVx1… (844 chars)"
  }
}