Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEhPVCNBhiSQcw8MFhH7KdXgPHZWBBb71Jy4qgcTitsfwt92+YXIgifE1VS… (844 chars)"
  }
}