Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCYSd0MWAl/C6g3JWBN9wFNUDqPnRkNLlEf9OlDxrK0RVhCOUb39E0Ml1Bh… (844 chars)"
  }
}