Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHq9/Z04w+wUOvm3qfe6T5mUGUEGX9FGbbRDRL4p4QwjF6iqB1C5nqDe9lf… (844 chars)"
  }
}