Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7vEtfss1dkQSl4KnEEMFI4S1x/02IaGnGE7v5AT5fDws9WRxdcil8o1Wj… (844 chars)"
  }
}