Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCO6FBEuuCu9v7HGBRUPn/g7Mz08Iwr8rGOvPXV35UgTE6OsLryPKAzv6dW… (1,748 chars)"
  }
}