Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE+RsqOpxuB8MzM9C+QcA64IXLP5HU3gI+HNnvI5GtjNA3oSvmMT3XEuy0Z… (844 chars)"
  }
}