Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHplRQl8UjQv+qpbw7bsSZx6fSIvJQ8ZFBWZM4IY7CaPAyt6k84c3mIiicf… (844 chars)"
  }
}