Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFMwUgLc/d/e45mVC+AzfpinTOl8y0z5v2d1OOHvOM2NQ2BqFBVSibqF9WC… (844 chars)"
  }
}