Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCU5cNYOkfN8WEPwTDE6ZR1AEo3osisANxxl0lKL4ZD3TgZp6Snbs9DX9OP… (844 chars)"
  }
}