Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHyR3z7LN7X2DvArzwvNHMM+Nrbkj9b+v9EaX/aQ73sp2/1jQBhgzoaetCL… (844 chars)"
  }
}