Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA8AP//BBMMhQM4bQqRgFO/S5X4SvwPly/6GXSzyIJNy04Qn/4F+GZdKgzz… (1,748 chars)"
  }
}