Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHhiI4kaw7eOPGO6+EZtPKN0QWsERZnDKH2GpDLOQyEsyea+qpdfADX9cc/… (844 chars)"
  }
}