Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEkW6Z3A+rKGIC7Jk2VmPvSpgdsh1AiRwDHJ4UEd8oJBWN9CRlNlI2wwurj… (844 chars)"
  }
}