Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDqO/XJ3v3yKawvhsVXo1yYvNWFFA0fpU83Y4kweYPryBZFjvXQ8iFLGX2c… (1,748 chars)"
  }
}