Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDt35RBihGQ4Sr8m5XIJujIWFBBFH1TSPd8H+YN5+oO9HEWpUbG8t3L1ib/… (1,748 chars)"
  }
}