Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAwiS8sAtNXg0k2QwCq2JEYpp+EY/Vt66HuNA3UZRKs3mhfOjswi8QBFjgA… (1,748 chars)"
  }
}