Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAhUAZQPVq8A7iSfITjAalMD8qdwDaxu8CJu8X4T5ashyPsYe5R/00YEDgY… (844 chars)"
  }
}