Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE6QvVBKJmW3RNGUhsq2PFvs3Pg/jqPt7PqTC7qCXtrpxOxqcOUEP9IbjfR… (844 chars)"
  }
}