Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD3Dv/wTZFEQtuJKfSDWU7dHCEXug0qDb6O4eGcfmNUu2v9SKsS/dru5cNd… (844 chars)"
  }
}