Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZAukb9O/6edsDUNtIFMDdwir0aH7suX+0UQPt+I+h9V8B3z8tAWxoXOVQ… (844 chars)"
  }
}