Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHqeWbpTHJ8Qkw3OHBbpTxz6YUvIYXF3ZYg7NXW3xB/mj2NTF8Kh4M7BsGK… (844 chars)"
  }
}