Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC2f++uTk4MXEo+doM+N5zPSYUNt6TGBmxJFwwzDcNFFTk/AzVV3D3R0nnQ… (844 chars)"
  }
}