Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGIVKO5DgulLAHzKGCW+3wBGm8DCmX/rB657x4fq4f5q0ENslzSsje6G5Aj… (1,748 chars)"
  }
}