Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQE8X0IdvyYVUjmVUeJ8BRfe6wQPY7NtLZllFNldUD6aNDRNFF9IcQWxvpP/… (1,748 chars)"
  }
}