Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEPS4i1OWnEWn3a2Nj/Ezh3Cq/1/COMdSzWQucdB3pLODPvSOBgLtTz1b5B… (844 chars)"
  }
}