Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA+x9gV+XqpzS1ps7fS0GnaYBF/0q/lhAOGJcFMwSbpAwV7aoJXRO/q+6NA… (844 chars)"
  }
}