Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCu+JkaZt7DFr9iLtSo6e6i5MnsuDPGjKU5HnMiSE52M1FZnJPdBQg9N2oD… (844 chars)"
  }
}