Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDH1Pl7iPLcIL23U6h3Nu+GmYSVNaZcx8d2bVCrBqgQh3T3o7IHkrhemvjp… (844 chars)"
  }
}