Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGqCP+bwSSDk5zKa+8SZSWf1Z2O7+T+4JuFP89p1S7WPCwAsUMK5qMlpiCp… (844 chars)"
  }
}