Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFJYTEiAirPDF3frZs5p6/bYmLT9a9cSRvsgg0pPTGpQ1mAuiYPL4gw/vxG… (844 chars)"
  }
}