Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFsyxw+GmTAYg51RWLtba7Rb3gkvVqKbpfBn7tJzPqEt27Zh6e/w2rXAHhq… (844 chars)"
  }
}