Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB6/YCpuK0nECEuXukS3nwGP8dpOX4N6PUTSg5S1p1TmBgUxBTZoypB3Z1d… (844 chars)"
  }
}