Transaction not yet indexed

521mRxrbNexG3qEBfBLwzTZi8W7K3YgJdXG7WGGif5G7j6ys4g9Qsjt2sAd3YiSUJvmfernGmixfbZXR5iritZrE

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.