Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFn2W0+LQbsv905ifZ0dZ0bO3uZ0QUUzPqweYoJGQX3ETfBJdsaKU5jg0Rj… (844 chars)"
  }
}