Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEd8eHJN6IZ1p2/v1bDdZ4FIJPrYXyrnLDBsv+FYWPfHTatS7ZSaRETuHWP… (844 chars)"
  }
}