Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHsdD6hY+a3PrFaEdHmr/+q5XAiB3n6a0mjXJRaqwOfvlpt2j7/Y63Fqfl3… (1,748 chars)"
  }
}