Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC1Q7NZtQKnEeTnZzc+DOSXWBCWcaPz0voqmJOyOdXdEGzXi2AwSP2fThT8… (844 chars)"
  }
}