Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+S1hFag4AiYCt/wOkLTJt9Ir8w/+STCUwhcjZorUBxHoIXRbC1/n1Dc8T… (844 chars)"
  }
}