Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDWEZ4WD8Lf9PpXBmgO9o8trLVl3FuZfgOcTpWSHqkIBGKt5uvtyvO1/ID+… (844 chars)"
  }
}