Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQK1pDnfDw5c1RAZp4YPZgkjiqK9eSgRHiTnN13K9er1FlQP6Ovb9lWe5Xy+… (1,748 chars)"
  }
}