Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDa9Zktyr+tLWlTn8V7Mf01pmcHLQxsT3onf6pzY7RD7yukQHyXcV3ZQmI/… (1,748 chars)"
  }
}