Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHVPNcWw7ZO7J8bTtczVSEBUVcYNA7gf16vbvVnFy9AXHlGMxsxdINA5Gy3… (844 chars)"
  }
}