Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEJnO2RmOvzMN2yivBUMZ/Cg6yusz+r4e5kmDoDlS2DJBdHAZmASNmPz9bW… (1,748 chars)"
  }
}