Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBv2e6irAEMbg6jGWVi4pSKbmefANHehOaMEiV/CbWRTE090sSe8wJJZ+K+… (1,748 chars)"
  }
}