Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB3/tXfpW8LNHjYZkIXvplRc/QPRxq0lMda+yx82rVcQVkCcxB8f6yK6esE… (844 chars)"
  }
}