Transaction not yet indexed

UpkMR2qJuZtdfKj7GET5Trtt6KFWFgehK3x9mDETHFrcsuDRqoKmr3P7DZrLfsLLmYDAYcLefrwtgVBTxaoKsz5

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