Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBqVbSmATNCOmCg9Ob1zY1HfCvL4+8guUiuIX7INWrQFwl/giWXBxCaA6Uf… (844 chars)"
  }
}