Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZrWOKgA2EVNdXjCg6V7pDjCfeRtQPKw+MGQfhqbvtVHOeEEJvE6KwF63K… (844 chars)"
  }
}