Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHD10WhRdYX45+SmLLyAhAHE/4xD9B0Zo+6sRBcr28YSw8DXoECkF4I3Jpu… (844 chars)"
  }
}