Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMgOHxzfZ/qtNWHKIr/C7k1l1vRmu2rlGi3Ps+19OqUTad+ZXThI3+MhsM… (844 chars)"
  }
}