Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGOGt65BxMKeJgO1f3GrIpzwQUITa4r5KEjvgkKIzFcSg/Z4I4b9HJ2Esu9… (844 chars)"
  }
}