Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDDZp/wgwVA6H5ypYWy6r7bzcDLAX6XB74HU1jE10ag4Uuq9UiMasTY3LB6… (844 chars)"
  }
}