Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFHyH+1kvCf/z6euDuF4s9O0nMrTMdhcvcxzgIXQvaZ1RFOoGz7xUZ/yA2u… (844 chars)"
  }
}