Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHHF4uq/Gh7ixg4U/jVaNsKfb0Z7YIbaXk7eUZjL8rEkRFRd57Wgs3Vgc4C… (844 chars)"
  }
}