Transaction not yet indexed

5u21L8rTnmNs6DZu1CaVceXf3YrDKSZ5wfKdnDcqvMQV9cSE2TfZWyCCXagwRFhikoddSSrZCuYMxwZdUpLCmgps

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