Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8EvQ2pb0YQyFT8p6v9+0Vj1GX94E23juHaHEi5pNP+2rZ4+Ft1A95YLKB… (844 chars)"
  }
}