Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwALHupOcnBGIbq9pKubAVi1uV8Sm9rz4/Qyj4N7naMbZAzWFgAEHgf8QaDo… (844 chars)"
  }
}