Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBfJ93vcTVxX1sLlN/NnmDq8gjtybqN+GWu4kRoJfAqDRGJj1zK6huaZaQG… (844 chars)"
  }
}