Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHsOZyORvICBS5Y1P3b8HwQWHk4Qe3+gX7bvBfnzeJqKyYO510dGJQx4h5K… (844 chars)"
  }
}