Transaction not yet indexed

Y91Z2SsTPpVJ8m3TsF8wVNbN16HyWtKcoXB6WdmhRPEcjBt9cFp7DRYDR3VykvvMHjNX4CkJML3mivNDo9Fot2D

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