Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC4SszbHIBLI+nqYuQTyKDGRdlJBpkD0N67esgRwx1GfBbDUyz18zG9Q8H9… (1,748 chars)"
  }
}