Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD8tCWnD1SH4iXY2cMdtF0v/XBrOH2bt7/KQD2hqeQIWQpPaA0U5iTdf4j4… (1,748 chars)"
  }
}