Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHZIkpG/XFIWILzGM77tggNFvVGIBd9zvBcI2BO/pH1/FMdoMRH9NQ2XuAd… (844 chars)"
  }
}