Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHC2MgpX2YtA2PfNqSvOVGhiq8FYTZpE2vl7875M9vUTjqWo5f8RyNrF+lA… (844 chars)"
  }
}