Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBmZnRfn6lxHuCRDPizn4s+JSq5KE3CNwu/0VguTNq3DGSJe+XYVjhO5nsr… (844 chars)"
  }
}