Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDmN7WxH/55FAkxEAz6b3Z4yrbdrhTW8fwD0zf5+Rnf1SHdO7JkdUw+DGqb… (844 chars)"
  }
}