Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDRqNPf+DuN6msVfn2l/xm24z9p+hdA+ykhYbCdKizD4z4K4NIAJzWrlNPS… (1,748 chars)"
  }
}