Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDMBpA3VEbu/gIZUu9t5x6DHu+erZwuT01ZrRzRLPJrEgaAsHPjti0A1Lc2… (844 chars)"
  }
}