Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCV3QIj2nsJaPnWtQqIjrM3N5cOi1q123jKc5phYVb2dg7pOB8565VIXiK/… (1,748 chars)"
  }
}