Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEtUwl07xMEEhFSfn8bFY6EsI8XZeS/fWXwQxC256cxUmrmW/3Wou4FDfoO… (844 chars)"
  }
}