Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMl9dCME6qg2xb2zm3TN12M/3AvFsXG5H2TF4CplRFOy4Fe7jDN8KgCRYa… (844 chars)"
  }
}