Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGpCB/voHv1QC4Vy8VpHK5pkaQGvlhNexHXOTtzvWPlIjqAVWfbT6yJRxPX… (844 chars)"
  }
}