Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEEHqVgVHhSm7a8xtVh6+z1DBv4p6x5zod/NOp2OdIwxRZIEIAUz7KknmXb… (844 chars)"
  }
}