Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHm0Xkfg+ZGOYRgbLGDVf6D2ZAMtz2h6OalmbEqTfpjcXc5H7OI7PWzZFHF… (844 chars)"
  }
}