Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAkY8BtHb0MniCPzEIvWI0aVLt0Q3fgEVrNHT2FUu9j1gRk2aJd10YCI8uD… (844 chars)"
  }
}