Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAEPeI39UGcxMObcSXD6Ueusbp2ad0bw23NIfvGfONs6RtKDyvf36dB1uHX… (1,748 chars)"
  }
}