Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDH+ZAljfkPYCLOcs/q/oZMwCq+Hs4yC4YbvyZVKxzJTFhuIVNL10nY1SB6… (1,748 chars)"
  }
}